# The measurements of the base and altitude of a triangle are found to be 36 and 50 centimeters, respectively. The possible error in each measurement is 0.25 centimeter. Use differentials to approximate the possible propagated error in computing the area

29,335 results
1. ## geometry

the base of a triangle is 4dm longer than its altitude, and its area is16dm^2. Find the lengths of the base and its altitude.

2. ## Geometry

Two similar triangles have a scale factor of 3 : 5. The altitude of the larger triangle is 24 inches. What is the altitude of the smaller triangle?

3. ## math

if three sides of a triangle are 6cm ,8cm and 10cm then find the altitude of the triangle using the largest side as base.... really need help with this question

4. ## Geometry

A farmer is estimating the surface area of his barn to find how much paint he needs to buy. One part of the barn is triangular as shown. The base of the triangle is 22 meters long Both angles on either side connecting the base to each leg is 30 degrees.

5. ## Calculus

The measurements of the base and altitude of a triangle are found to be 36 and 50 centimeters, respectively. The possible error in each measurement is 0.25 centimeter. Use differentials to approximate the possible propagated error in computing the area of

6. ## geometry

Each base of an isosceles triangle measures 42 degrees, 30'. The base is 14.6 meters long. a. Find the length of a leg of the triangle b. Find the altitude of the triangle c. What is the area of the triangle?

7. ## college algebra

if the altitude and the base of a triangle are each increased by 4 inches the area of the triangle will be increased by 42 square inches. if the altitude is increased by 3 inches and the base is decreased by 2 inches the area will be increased by 5 square

8. ## Geometry B

Find the exact length of the altitude drawn to the hypotenuse. Do not round. The triangle is not drawn to scale. A triangle with base measures of 9 & 17. Please help

9. ## GEOMETRY

Find the exact length of the altitude drawn to the hypotenuse. Do not round. The triangle is not drawn to scale. A triangle with base measures of 9 & 17. Draw a diagram. Using similar triangles, we know that h/9 = 17/ã370 I need more help with this.

10. ## Maths

The area of a triangle , whose base and the corresponding altitude are 15 cm and 7 cm, is equal to area of a right triangle whose one of the sides containing the right angle is 10.5 cm, Find the other side of this triangle. Ans.= area=15×7=105 105-10.5=00

11. ## math/ geometry.

the vertex angle of an isoceles triangle is 120. the base length is 18. what is the length of the altitude to the base in simplest form

12. ## geometry

the base of an isosceles triangle is 18 centimeters long. The altitude to the base is 12 centimeters long. What is the approximate measure of a base angle of the triangle?

13. ## College Algebra

Goemetry Find the area of a triangle whose altitude is 7 ft & whose base is 22 ft. Complete each sentence. Can anyone help me.... Isn't the area of a triangle 1/2 the base times the altitude?

14. ## math

a rectangle with side of 6 cm and 5 cm has the same area as an isosceles triangle with base length 12 cm find the altitude to the base of the triangle and the sides of the triangle

Having problems with surface area of a triangular prism. I know the formula is ab + (S1 + S2 + S2)h, however I can't tell what all 3 sides of the trianle are from the picture. The triangular face shows a height of 50 in and a base of 20 in. No other

16. ## Algebra II

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?

17. ## calculus optimization max min

find the dimensions of the rectangular area of maximum area which can be laid out within a triangle of base 12 and altitude 4 if one side of the rectangle lies on the base of the triangle thanks

18. ## Trigonometry

Each base angle of an isosceles triangle measures 42°. The base is 14.6 feet long. A) Find the length of a leg of the triangle. Round to the nearest tenth of a foot. B) Find the altitude of the triangle. Round to the nearest tenth of a foot.

19. ## maths

base of triangle whose area is 120 and altitude is 15 cm

20. ## CAL

The altitude of a triangle is increasing at a rate of 2500 centimeters/minute while the area of the triangle is increasing at a rate of 4000 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 11500 centimeters

the altitude of a triangle is 1 cm less than its base, if the area is 105 cm2. what are the lengths of the base and the altitude

22. ## Algebra II

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?

23. ## Math

The base of a triangle is 2cm less than the altitude and the area of the angle is 60^2 cm. Calculate the altitude

24. ## math

the length of the base of a triangle is 4 times its altitude. if the area of a triangles is 162cm2 find the altitude

25. ## Math

The altitude of a triangle is 2cm longer than its base. The area of the triangle is 60 cm*2. What are the dimensions of the triangle?

26. ## geometry

the base of an isoscels triangle is 4x long. the altitude to the base is 3x cm long. Find the length of one other side of the triangle

27. ## math/geometry

What are the surface areas of this two figures? a) a triangular pyramid with base of 5 cm, an altitude of the base of 8.7 cm and a slant height = 6.9 cm b) a square pyramid with a slant height of 5.2cm and an altitude of the triangle of 9cm.

28. ## math

Base of a triangle is 12 inches longer than twice the length of altitude x. Write polynomial area of triangle.

29. ## geometry

how long are the congruent legs of isosceles triangle if its base and altitude to the base are 12cm and 8 cm respectively?

30. ## geometry

how long are the congruent legs of isosceles triangle if its base and altitude to the base are 12cm and 8 cm respectively?

31. ## math

the altitude of a triagnle is 2cm shorter then its base. the area is 15cm squared. determine the base of the triangle.

32. ## math

triangle ABC has vertices A(3,4), B(4,-3) and C(-4,-1). a. draw a sketch of the triangle b. draw the altitude from vertex A c. find the slope of side BC which is =-1/4 d. find the slope of the altitude from A which is 4 e. find the equation of the line

33. ## Math

Find the area of a triangle with base of 15 m and altitude of 12 m

34. ## math

Find the area of the following plane figure. Find the altitude of a triangle whose area is 100 cm2 and whose base is 20 cm. Altitude =

35. ## algerba

A triangle has base 11 feet (ft) & an altitude of 8 ft. Find its area.

36. ## math

an altitude of triangle is 5/3rd of the length of its corresponding base if their altitude be increased by 4cm and the base is decreased by 2cm, the area of the triangles remain the same. find the base and altitude of triangle ?????

37. ## math

The base of triangle ABC is one half the altitude.The altitude of triangle DEF is one half its base. If both triangles are equal in area, what is the ratio of the altitude of triangle ABC to the altitude of triangle DEF ? a. 1:4 b. 1:2 c. 1:1 d. 2:1 e. 4:1

38. ## math

The base of triangle ABC is one half the altitude. The altitude of triangle DEF is one half its base. If both triangles are equal in area, what is the ratio of the altitude of triangle ABC to the altitude of triangle DEF? a. 1:4 b. 1:2 c. 1:1 d. 2:1 e. 4:1

39. ## CAL

The altitude of a triangle is increasing at a rate of 2500 centimeters/minute while the area of the triangle is increasing at a rate of 4000 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 11500 centimeters

40. ## Math

The altitude of a triangle is increasing at a rate of 2500 centimeters/minute while the area of the triangle is increasing at a rate of 4500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 9000 centimeters

The altitude of a triangle is increasing at a rate of 2500 centimeters/minute while the area of the triangle is increasing at a rate of 3500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 7000 centimeters

42. ## calculus

The altitude of a triangle is increasing at a rate of 3.000 centimeters/minute while the area of the triangle is increasing at a rate of 2.500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 9.000

43. ## Maths (quadratic equation) need help

The altitude of a triangle is 3 less than twice its base.The area of the triangle is 10m^2. Find the altitude and base of the triangle.

44. ## Geometry Honors

Can someone help me with Always, Sometimes, Never questions?? I have answered all of these, but I am not sure if they are right. 1. The base angle of an isosceles triangle are acute----Always 2. When the altitude and the median are drawn from the same

45. ## Geometry

Can you help me with Always, Sometimes, Never questions?? I have answered all of these, but I am not sure if they are right. 1. The base angle of an isosceles triangle are acute----Always 2. When the altitude and the median are drawn from the same vertex

46. ## Algebra Honors

The length of the base of a triangle is 4 times its altitude. If the area the triangle is 162 cm2, find the altitude.

47. ## math

The base of triangle is 2cm less than the altitude and the area of the triangle is 60cm². calculate the altitude.

48. ## math

a rectangle and a triangle have equal areas. if the base of the triangle is 32 inches,what is the lenght of the altitude drawn to the base? a)12 b)16 c)6 d)8 e)9

49. ## Algebra

the altitude of a triangle is 3m less than half its base. If the area of the triangle is 300 m^2 find the measure of the base.

50. ## Math

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?

51. ## Algebra II

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?

52. ## Math

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?

53. ## Differential calculus

A triangle has a base of 16 inches and an altitude of 8 inches. Find the dimentions of the largest rectangle that can be inscribed in the triangle if the base of the rectangle coincides with the base of the triangle

54. ## Solid Mensuration

A triangle has a base of 16 inches and an altitude of 8 inches. Find the dimensions of the largest rectangle that can be inscribed in the triangle if the base of the rectangle coincides with the base of the triangle.

55. ## math

a rectangle with side of 6 cm and 5 cm has the same area as an isoceles triangle with base length 12 cm.find the altitude to the base of the triangle and side of the triangle

56. ## for Knights

have been looking at your post ... http://www.jiskha.com/display.cgi?id=1357047578 interesting question... let the altitude of 12 hit base a let the altitude of 14 hit base b then (1/2)(12)a = (1/2)(14)b 6a = 7b a = 7b/6 let the third side be c and its

57. ## Euclidean Geometry

I am in the 10th Grade and my question is: The base of an isosceles triangle is 21cm. long. The altitude to the base is 9cm. long. What is the approx. measure of a base angle of the triangle? The tangent of that angle is 9/10.5 = 0.8571 Trigonometric

58. ## math

the base of a triangle is the same as its height. what are the least whole number measurements for the triangle so that the area would be greater than 144 ft square?

59. ## math

the base of a triangle is the same as its height. what are the least whole number measurements for the triangle so that the area would be greater than 144 ft square?

60. ## Math (Proportions)

3. The ratio of the altitude of a triangle to the length of its base is 5:12. Calculate the altitude if the length of the base is 42mm. 17.5 length/base= 5/12=x/42= 17.5

61. ## Math

The base of an isosceles triangle is 4x cm long.The altitude to the base is 6cm long.Find the length of a leg of the triangle.

62. ## geometry

I have 2 problem that I don't know if I did it right. 1) right triangle with base=12 altitude=c, hypotenuse=d. 71 degrees is opposite 90 degrees. need to find C and d. I did tan 71=d/12. = 12 x 2.9042 = d = 34.85 Do I do the same process to get c? 2) right

63. ## Geometry

Okay, this is going to be confusing to describe, so please bear with me (have paper and pencil ready). There is a right triangle with an altitude of 12. The line of the altitude splits the base into two segments, x and x+7. One leg of the right triangle is

64. ## maths

in a adjoining figure,CAB is right angled triangle where AC=4cm(height),AB =3cm(base),and BC=5cm (hypotenuse),and AD is a altitude from BC .then find the length of altitude from A toBC,if its area is 6cm square.

65. ## Math

Let A (2, 3); B (-2, -1) and C (5, -2) be vertices of triangle ABC. If the line connected by points B and C is the base of these triangle and the line bisected through point A is the altitude then what will be the area of the triangle?

66. ## geometry

how long are the congruent legs of isosceles triangle if its base and altitude to the base are 12cm and 8 cm respectively?

67. ## math

The area of a triangle is 45cm and the altitude is 5cm greater than the base. Find the length of the base.

68. ## maths

a triangle is equal to a rectangle which measures 10cm by9cm. if the base of the triangle is 12cm long,find its altitude

69. ## college geometry

In a triangle the ratio of the base to its altitude is 2:3. If the area of the trianlge is 108 square units, what is the length of the base?

70. ## Maths

if base and corresponding altitude of a triangle is 11/2 and 7/3.find the area of the triangle.

Can you PLEASE help me with this problem? I do not understand... The area of a triangle can be found by using the formula A=1/2bh. The area of the triangle can be represented by the expression -17.5x2^ - 138.5x - 27. The triangle's base length is greater

72. ## math

The base (WX) of an isosceles triangle (SWX) is also the side of a square (WXYZ) in which the triangle is inscribed. The altitude from SX, at point V and making 90 degrees with SX, meets W, forming triangle SVW. What is the ratio of triangle SVW to the

73. ## Triangles math

I want to confirm if I understood . Problem states : Draw a right triangle with a base of 2 units and a height of 3 units. Make three “copies” so that the lengths of the new sides are 50%, 300%, and 500% of the original. Solution: 1st triangle

74. ## Trigonometry

Each base angle of an isosceles triangle measures 42°. The base is 14.6 feet long. A) Find the length of a leg of the triangle. Round to the nearest tenth of a foot. B) Find the altitude of the triangle. Round to the nearest tenth of a foot.

75. ## word problems

how do you solve these using polynomial equations??? the altitude of a triangle is 5m less than half its base. if the area of the triangle is 300m, find the measure of the base. the sum of the squares of two consecutive negative integers is 61. find the

76. ## maths

the perimeter of an isosceles triangle is 28cm with sides 4y = 6y-2x+1 and base x+2y all in cm .find x and y and hence state the lengths of the sides of the triangle. solution. 4y = 6y-2x+1. ; -2y+2x=1.also altitude = |4y|^2=x^2+ |x+2y|^2 =

77. ## Goemetry

A prism has an equilateral triangle for its base. One side of the base measures 12 ft and the altitude of the prism is 6 ft. Find the volume.

78. ## math

find the area of a triangle whose altitude is (5y-2)m and the base is (4y-7)m ? Thank you!! :))

79. ## Calculus

A solid has as its base a circular region in the xy plane bounded by the graph of x^2 + y^2 = 4. Find the volume of a solid if every cross section by a plane perpendicular to the x-axis is an isosceles triangle with base on the xy plane and altitude equal

80. ## Areas and volumes

The base of a pyramid is a right triangle. The legs of the triangle measure 6 in and the altitude of the pyramid is 5 in. Find the volume.

81. ## geometry

I have right triangles I need to solve. Can you see if I am doing them correctly or screwed up..1) Rt < is in left corner C: Opposite is 60 deg< A, last angle is at top- 30 deg

82. ## Math

Can you find the base and height measurements for a triangle if you know that the area is 22 square units? Explain why or why not.

83. ## math

Find the altitude of an isosceles triangle whose base is 8 cm and whose legs are 5 cm?

84. ## algebra

1. simplify. 75a^2/5 2. find altitude of the triangle with 13,13 and the base of 10.

85. ## Math

A triangle has base 15 feet (ft) and an altitude of 4 ft. Find its area

86. ## geometry

I need d and e. Have a right triangle. Base=d; hypotenuse=e; altitude= 2sqrt3. < opposite 90 = 60.

87. ## math

Find the altitude of an isosceles triangle whose base is 8 cm and whose legs are 5 cm?

88. ## algerba

A triangle has base 14 feet (ft) & an altitude of 6 ft. Find its area

89. ## geometry

Find the length of the altitude to the base of an isosceles triangle if the length of one leg is 17 and the base is 16.

90. ## Geometry

Using vectors, show that the centroid of a regular pyramid with a rectangular base lies on the altitude to the base and is 4/5 of the altitude's length from the vertex.

Using vectors, show that the centroid of a regular pyramid with a rectangular base lies on the altitude to the base and is 4/5 of the altitude's length from the vertex.

92. ## math

a rectangle and a triangle have equal areas. the lenght of the rectangle is 12 inches ,and its width is 8 inches. if the base of the triangle is 32inches,what is the lenght,in inches of the altitude drawn to the base? a)12 b)16 c)6 d)8 d)9

93. ## Math calculus

The altitude of a triangle is increasing at a rate of 1000 centimeters/minute while the area of the triangle is increasing at a rate of 1500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 7000 centimeters

94. ## math

The area of a triangle is fifty cm square if altitude is of eight cm what is the lengh of its base

if the altitude of a triangle is doubled and the base is multiplied by 3 , what is the effect on the area?

96. ## math

if the altitude of a triangle is doubled and the base is multiplied by 3,what is the effect on the area?

97. ## math

The altitude of a triangle is increasing at a rate of 1500 centimeters/minute while the area of the triangle is increasing at a rate of 1000 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 10000 centimeters

98. ## Calculus

The altitude of a triangle is increasing at a rate of 3000 centimeters/minute while the area of the triangle is increasing at a rate of 1500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 9500 centimeters

99. ## Calc

The altitude of a triangle is increasing at a rate of 2500 centimeters/minute while the area of the triangle is increasing at a rate of 4000 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 11500 centimeters

100. ## Math

The area of triangle is 48centimetre square base is 12 cm find its length of its corresponding altitude