# Three angles of a quadrilateral each measures 87&deg;

26,048 results

### geometry

Two angles of a quadrilateral measure 210° and 100°. The other two angles are in a ratio of 2:3. What are the measures of those two angles? I know the four angles add to 360 deg. So the two unknowns are 50 deg together. 20 and 30 deg angles would give a ratio of 2:3, but ...

### Math

The sum of the degree measures of the angles of a quadrilateral is 360. Find the measure of the fourth angle of each quadrilateral given the degree measures of the other three angles. 4x+12, 8x - 10, 6x+5

### math(elmntry euclidean geometry)help needed ASAP!

The sum of the angles of a quadrilateral is 360°. Find the conditional, draw a diagram, and state the given and conclusion. CONDITIONAL FORM: If it is the sum of the angles of a quadrilateral, then it measures 360°. DIAGRAM: Not shown, but pictures a trapezoid with angles A...

### math(elmntry euclidean geometry)

The sum of the angles of a quadrilateral is 360°. Find the conditional, draw a diagram, and state the given and conclusion. CONDITIONAL FORM: If it is the sum of the angles of a quadrilateral, then it measures 360°. DIAGRAM: Not shown, but pictures a trapezoid with angles A...

### Math

The measures of three of the angles of a quadrilateral are 40, 70, and 130. What is the measure of the fourth angle?

### MATH Prob.

Three angles of a quadrilateral each measures 87*(degrees)..what is the measure of the fourth angle??

### Math

The measures of three angles of a quadrilateral are 80, 90, and 103 degrees. Find the measure of the fourth angle.

### Acc. Algebra 2

One angle of a quadrilateral has a measure a°. Find the average of a measures of the other three angles.

A traverse with five sides has interior angles with the following measures: 121deg 45 min: 118 deg 25 min; 87 deg 32 min; 98deg 34min, and 113 deg 54 min. Does the traverse close? If not, determne the error in the traverse.

A quadrilateral has interior angles with degree measures of 63, 4s, 5s and 2s. What is the angle measure, in degrees, of the largest angle of the quadrilateral?

### Math

suppose that a given quadrilateral is a kite with no right angles. which of the following is possible A: the quadrilateral is a rhombus B: the quadrilateral has congruent diagnols C: the quadrilateral is a trapezoid D: None

### math

Two angles of a quadrilateral measure 130° and 20°. The other two angles are in a ratio of 5:16. What are the measures of those two angles?

### Math

Suppose that a given quadrilateral is a kite with no right angles. Which of the following is possible? A) The quadrilateral is a trapezoid. B) The quadrilateral is a rhombus. C) The quadrilateral has congruent diagonals. D) None of the above

### math

a quadrilateral has two angles that measure 88 and 62. the other two angles are in a ratio of 16:19. what are the measures of those two angles?

### math

find the sum of the measures of the intieior angles of each polygon. -hexagon -pentagon -quadrilateral -octagon -16-gon -27-gon The key is the sum of the measures. All of these figures have the same total number of degrees in their interior angles. What do you think that is? ...

### MATH GEO URGENT

The ratio of three consecutive angles in a cyclic quadrilateral is 2:3:4. Find the largest angle of the quadrilateral, in degrees.

### Geometry

Suppose that a given quadrilateral is a kite with no right angles. Which of the following is possible? a. the quadrilateral is a trapezoid b. the quadrilateral has congruent diagonals c. the quadrilateral is a rhombus d. none of the above I think it is b. but I need to make ...

### geometry

Three interior angles of a quadrilateral have measures of 52∘, 53∘, and 154∘. Find the fourth angle measure.

### Geometry

Two straight lengths of wire are placed on the ground, forming vertical angles. If the measure of one angles formed is 72 degrees, what are the measures of the other three angles. Explain your answer. My answer-- Vertical angles are congruent and if the measure of 1 of the ...

### Math

Each of the following statements describes a quadrilateral. Which of the quadrilaterals are NOT parallelograms? Choose three. 1: The diagonals are congruent, but the quadrilateral has no right angles. 2: Two consecutive sides are congruent, but the figure is not a rhombus. 3: ...

### Math

The sum of the measures of four of the angles of a heptagon is 520. Two of the remaining three angles are congruent. The other remaining angle is 3/2 the measure of one of the two congruent angles. Find the measures of the remaining angles.

### Math

angle of quadrilateral are 40°,60°,120° and 140°. If the sum of the interior angles of a quadrilateral is 360°, find the ratio of these angles according to the order given.

### maths

Find the measurement of the first and third angles if the ratio of the three consecutive angles of a cyclic quadrilateral is 1:2:3

### math

the measures of the angles of a quadrilateral are in the ratio of 1:2:3:4, find the measure of each angle

### math

The measures of the angles of the quadrilateral are in the ratio of 2:4:6:8, Find the measure of each angle.

### math

The measures of the angles of the quadrilateral are in the ratio 2:4:6:8. Find the measure of each angle.

### Solid Mensuration

one diagonal of a cyclic quadrilateral coincides with a diameter of a circle whose area is 36pi cm^2. If the other diagonal which measures 8cm meets the first diagonal at right angles, find the area of quadrilateral. Show your solutions

### Solid Mensuration

one diagonal of a cyclic quadrilateral coincides with a diameter of a circle whose area is 36pi cm^2. If the other diagonal which measures 8cm meets the first diagonal at right angles, find the area of quadrilateral. Show your solutions

### Geometry

Quadrilateral ABCD is a parallelogram. If adjacent angles are congruent, which statement must be true? A. Quadrilateral ABCD is a square. B. Quadrilateral ABCD is a rhombus. C. Quadrilateral ABCD is a rectangle. D. Quadrilateral ABCD is an isosceles trapezoid. My first pick is...

### Algebra

Two angles are complementary. The larger angle measures 6 more than three times the smaller angle. Write an equation that can be used to find out the measures of both angles then simplify

### geometry

Quadrilateral ABCD is a rhombus with diagonals AC and BD. if angle M equals 25 find the measures of angles 2 , 3 , 4 and 5

### Geometry

The measures, in degrees, of the three angles are x, x+10, and 2x-6. Find the measure of all three angles of the triangle.

Is the following definition of complementary angles reversible? If yes, write it as a true biconditional Complementary angles are two angles whose sum measures to 90 degrees - The statement is not reversible - Yes, if angles are complementary, then their sum measures to 90 ...

### math

two lines intersect in a plane and form four angles. one of the angles formed by this intersection is a 53degree angle. What are the measures of the other three angles? explain your answer

### Geometry

A museum was designed without windows, but a truncated cylindrical skylight lightens the building. In the development of this, the architect has areas where the angles formed at junctures are vertical angles. If a pair of vertical angles measures 5x - 54 and 3x -24, find the ...

### math

The sum of the measures of the angles of any triangle is 180 degrees. In triangle abc, angles a and b have the same measure, while the measure of angle c is 78 degrees larger than each of a and b. What are the measures of the three angles? angle a is __degrees.

### Physics

Consider a piece of metal that is at 5 deg C. If it is heated until it has twice the internal energy, its temperature will be. a)556 deg C b)283 deg C c)273 deg C d)278 deg C e)10 deg C

### geometry

If Quadrilateral QRST is a parallelogram, which is not necessarily true? a. Opposite angles are congruent. b. The diagonals bisect each other. c. Angles are four right angles. d. Consecutive angles are supplementary.

### MATH

Help please :) The measure of the supplement of an angle is 20 degrees more than three times the measure of the original angle. Find the measures of the angles. The measures of an angle and its complement differ by 22 degrees. Find the measures of the angles.

### geometry

The measures of six angles in a convex heptagon are 120 degrees, 88 deg., 91deg, 164deg.,173deg.,and 99deg. Find the measure of the remaining angle.

### geometry

(4, 5)'(9, 5) and (5,1) are three of a quadrilateral whose opposite sides are equal and parallel.there are three possibilities for the co-ordinates of the missing vertex.Find all three,and draw the three quadrilateral on a grid

### geometrie

(4, 5)'(9, 5) and (5,1) are three of a quadrilateral whose opposite sides are equal and parallel.there are three possibilities for the co-ordinates of the missing vertex.Find all three,and draw the three quadrilateral on a grid

### Geometry

Is the following definiiton of supplementary reversible? If yes, write it as a true biconditional. Supplementary angles are two angles whose measures sum to 180. a. Yes, if angles are supplementary, the their measures sum to 180. b. Yes, angles are supplementary if (and only ...

### Geometry

1. How many sides does a regular polygon have if one exterior angle is 90 degrees? 3 4 5 6 2. The measures of three angles of a quadrilateral are 80, 90, and 103 degrees. Find the measure of the fourth angle. 67 77 87 97 3. The sum of the interior angles of a 7-gon is 900 1,...

### vertex angle

The three angles add to 180 degrees. Also , the two base angles of the isoscele triangle are equal, .. Set those base angles equal, and solve for x. Put that value of x into the given, and compute the base angles. The third angle will be the amount to add to the two base ...

### Geometry

What is the value of x? image is on: tiny pic . com/r/nx1abn/8 I choose c 90 deg a 60 deg b 72 deg c 90 deg d 120 deg

### Math

The angles of a quadrilateral in the ratio 2:3:4:1 . Find the measure of each angle of the quadrilateral.

### math

suppose both pairs of opposite sides of a quadrilateral are parallel. Which angles of the quadrilateral must be supplementary?

### Algebra

The sum of the four angle measures of any convex quadrilateral is 360 degrees. Suppose that a convex quadrilateral has angle measures of 90, 10y+4, and 3y-2 degrees. Write an expression for the degree measure of the fourth angle.

### Math HELPP!!

Eric Drew and up to's triangle. Which of the following could be true for Eric's triangle. A: all three angles have equal measures B: possible angle measures of the triangle are 92, 48, and 40•• C: two of the angles are equal, and the third angle has a measure of 70. D: One...

### math

Undersantding Quadrilateral. the two adjacent angles of a quadrilateral are 58¡ã and 122¡ã. The other two adjacent angales are equal what is measure of each of these equal angles

### geometry

Two consecutive angles of a parallelogram have measures 4(x+5) and 2(3x+20) respectively. Find the measures of the angles

### geometry

Two consecutive angles of a parallelogram have measures 2(x+12) and 2(5x+6) respectively. Find the measures of the angles.

### geometry

I need help on this question...please help. "The measures of two supplementary angles are 3x-12 and 4x-18.Find the measures of the angles.

### Geometry

If the measures of the exterior angles of the acute angles of a right triangle are (6x+23) and (4x+17), find the measures of the acute angles.

### geometry

Angles 1 and 7 are alternate exterior angles of a transversal cutting two parallel lines. If m(Ú1)=4x+10 and m(Ú7)=6x+4, what are the measures of angles 1 and 7? Give a property of angles that helped you solve the problem.

### geometry

If the measures of the acute angles of a right triangle are 3x + 4 degrees and 4x + 2 degrees, what are the measures of all three angles of the right triangle?

### physics

A container of hot water at 80 deg C cools to 79 deg C in 15 seconds when it is placed in a room that is at 20 deg C. Use Newton's law of cooling to estimate the time it will take for the container to cool from 70 deg C to 69 deg C.

### physics

A container of hot water at 80 deg C cools to 79 deg C in 15 seconds when it is placed in a room that is at 20 deg C. Use Newtons law of cooling to estimate the time it will take for the container to cool from 70 deg C to 69 deg C.

### geometry

The measures of the angles in a quadrilateral are represented by x, 2x, 3x, and 3x. Write an equation that would allow you to solve for the value of x. Solve for the value of x

### math

four angles are put together, forming a straight angle. two of the angles are the same size. the other two angles are also the same size but different from the other two. If one of the angles is 40 degrees, what are the measures of the other three? please explain

### calc

Find x. Supplementary angles with measures 10x+7 and 7x+3. Complementary angles with measures 3x-5 and 6x-40.

### geometry

The measures of two complementary angles are (14q+8)and 8q-6). Find the measures of the angles.

### Geometry

the measures of two complementary angles are 16z-9 and 4z+3. Find the measures of the angles.

### math

the sum of two angles of a quadrilateral is 150 and the other two angles are in ratio 2:3. Find the measure of each angles?

### Trigonometry

The measure of one of the equal angles in an isoscles trinagle is twice the measure of the remaining angle. Determine the exact radian measures of the three angles in the triange

### math

Scott made a quadrilateral. Three of the angles of his quarilateral have a mesure of 112, 98, and 52. What is the measure of the fourth angle?

### Math

Four angles are put together, forming a straight angle. Two of the angles are the same size. The other two angles are also the same size but different from the other two. If one angle of the four angles is 40 degrees, what are the measures of the other three angles

### geometry

The measures of the angles in quadrilaterals are in the extended ratio of 3:4:5:6. What are the measures of the angles?

### Maths

The differencein the measures of 2 complementary angles is 18.Find the measures of angles.

### Math

Sandra was thinking of a quadrilateral. All 4 sides are the same length and are parallel. There are 4 right angles. Which quadrilateral is she thinking of?

### Math

The angles of a quadrilateral are in the ratio 2:3:7. The mean of these angle is 64. Find all the four angles?

### math

if opposite angles of cyclic quadrilateral are in the ratio 2:3 then find the measure of all angles

2 angles have measures x and y. The sum of the measures of the angles is 180. Write a formula to express this relationship and solve the formula for y.

### Math

6.Sherman read 154 pages of a book in 4 days. He read 32 pages on each day of the first 2 days and y pages on the third.Which equation can be used to find p, the number of pages Sherman read on the fourth day? A.p=154-32(2xy) B.p=154-(32x2)-y C.p=154-2(32+y) D.p=154-(yx2)-32 B...

### Solid Mensuration

Find the lengths of the sides of the cylcic quadrilateral if one diagonal coincides with a diameter of a circle whose area is 36pi cm squared. The other diagonal measures 8 cm meets the fist diagonal at right angles.

### Math

One angle of a triangle measures 100. the other two angles are in a ratio of 3:5. What are the measures of those two angles?

### Math

6.) Two consecutive angles of a parallelogram are supplementary opposite angles have measures 2(3x + 20) and 4(x + 5), respectively. What are the measures of each congruent in the parallelogram?

### Math

Find the measures of two supplementary angles if the difference of their measures is 56 degrees I know supplementary angles are the sum of the measure if two angles is 180 degrees but then what is the question asking?

### Math

A triangle has an angle that measures 105°. The other two angles are in a ratio of 7:8. What are the measures of those two angles?

### Math

One angle of a triangle measures 95°. The other two angles are in a ratio of 7:10. What are the measures of those two angles?

### geometery

does a rhombus has opposite angles that are supplementary yep they do..a rhombus' angles are all equivalent..so 360/4angles= 90 degrees each so if you add 90 and 90 = 180 and thus suplementary (180 deg) What do you mean by "opposite angles" ? The angles on the opposite sides ...

### Math simple question

angles 1 and 2 are adjacent angles on a line. What is the sum of the measures of the angles? a.30 b.60 c.90 d. 180 I think the answer is b.

### geometry

If all four sides of a quadrilateral measure the same length, and one coner angle measures 90 degree, what shape can the quadrilateral be A)rhombus B)rectangle C)square D)parallelogram E)all of these

### Math

5.Jack participated in a 6 day bike marathon of 430 kilometers. He biked 90 kilometers on each of the first 4 days and y kilometers on the fifth day. Which equation can be used to find b, the number of kilometers Jack biked on the sixth day? A.b=430-90+(4xy) B.b=430-4+(90xy) C...

### math

Two angles are complementary. One contains 30° more than the other. Find both angles. The measures of the angles are _ degrees

The measure of one of the equal angles in an isosceles triangle is twice the measure of the remaining angle. Determine the exact radian measures of the three angles in the triangle.

### math

The measures of two complementary angles are in the ratio 1:4. What are the degree measures of the two angles? 18° and 72° 22.5° and 67.5° 36° and 144° 45° and 135°

### math

A triangle has an angle that measures 40°. The other two angles are in a ratio of 11:17. What are the measures of those two angles?

### Pre-Algebra

Is this correct? Which of the following best describes every parallelogram? A. a quadrilateral with only one pair of congruent sides B. a quadrilateral with only one pair of congruent angles C. a quadrilateral with both pairs of opposite sides parallel D. a quadrilateral with ...

### Goemetry

Two parallel lines are cut by a transversal. Angles M and P are alternate interior angles. Angle M measures (10x + 50)° and angle P measures (12x + 30)°. What is the measure of angle M?

### Math-Geometry

B is in the interior of angle AOC. C is in the interior of angle BOD. D is in the interior of angle COE. The measure of angle AOE is 162 degrees, COE is 68 degrees, and the measures of angles AOB, COD, and DOE are all equal. The question is to find the measure of angle DOA. (...

### geometry again again again

Two angles are supplementary. one angle measures 12 degrees more than the other. Find the measures of the angles.

### math

name each quadrilateral-paralelogram,rctangle,rhombus,square #7.it is equilateral #8.the diagonals are congruent #9.it can contain obtuse angles #10.it contains no acute angles

### algebra

The angles in a triangle are such that the measure of one angle is 10° more than the measure of the smallest angle, while the measure of the third angle is three times the measure of the smallest angle. Find the measures of all three angles, in degrees.

### math

The opposite angles of a parallelogram are congruent. The adjacent angles are supplementary. If angle X measures 110 degrees, then what are the measures of angle Y and angle Z?

### geometry

find the value of x in each triangle: triangle x has 1 angle at 53 degree for value x i got: 63.5 degree is that correct? Classify each triangle. 7. The measures of 2 angles are : 45 degree and 45 degree i got: acute 8. the measures of 2 angles are 15 degree and 47 degree i ...

### geometry

find the value of x in each triangle: triangle x has 1 angle at 53 degree for value x i got: 63.5 degree is that correct? Classify each triangle. 7. The measures of 2 angles are : 45 degree and 45 degree i got: acute 8. the measures of 2 angles are 15 degree and 47 degree i ...

### Geometry

The coordinates of the vertices of quadrilateral ABCD are A (-8, 8), B (-4, 8), C (-4, 4), D (-8, 4). The coordinates of the vertices of quadrilateral PQRS are P (-10, 10), Q (-2, 10), R (-2, 2), S (-10, 2). Which statement is correct? Answer A. Quadrilateral ABCD is similar ...