if the measure of the two opposite angles of a parallogram are: 3x + 40 and x + 50, what is the value of x and the measure of its angle

  1. 👍 0
  2. 👎 0
  3. 👁 30
asked by marlon
  1. Sum of angles is:


    If you measuring angles in °



    8x=180° Divide with 8



    First angle=3x+40=3*22.5+40=67.5+40=

    Second angle=x+50=22.5+50=72.5°=72°30´

    1. 👍 0
    2. 👎 0
  2. In a certain triangle, one angle has a measure of 53° and another angle has a measure of 74°. If the triangle is isosceles, then which of the following could be the measure of the third angle?

    1. 👍 0
    2. 👎 0
    posted by hjul

Respond to this Question

First Name

Your Response

Similar Questions

  1. maths -urgent

    The sum of two opposite angles of a parallelogram is 150 degree .find the measure of each of its angles.

    asked by anoynomous on April 15, 2013
  2. math

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

    asked by vishakha on January 10, 2017
  3. geometery

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

    asked by Anonymous on August 3, 2007
  4. geometry

    1. the opposite angles of a parallelogram measure(x=30) and (2x-50).Find the measure of each angle of the parallelogram. 2. the ratio of two consecutive angles of a parallelogram is 2:3. find the measurement of the angles of a

    asked by marycon on November 7, 2010
  5. math

    Which of the following is not a true fact about angles? A) The measure of an angle depends on the amount of rotation. B) Angles depend on the length of the rays that form the angle. C) All right angles are equal in measure. D) All

    asked by Jenna on August 5, 2015
  6. geometry

    which of the following statements are true? a. if two angles form a linear pair, then the angles are supplementary b. if two angles are right angles, then the angles are complementary c. if two angles have the same measure, then

    asked by anon12 on September 2, 2018
  7. Geometry

    I had to fill out a chart stating the properties of certine shapes(parallelograms). Some of them i put to many properties please tell me witch ones i have wrong. The properties to select from: 1-Opposite sides are parallel (both

    asked by Roxxxxxxxxx on April 26, 2007
  8. Math

    Anita says the plus sign + forms 2 pairs of vetical angles. Charles says it forms 2 pairs of congruent angles? Who is correct, and why? Wouldn't it be both, because there are 2 pairs of opposite angles with the same measure, and 4

    asked by Annabel on March 1, 2011
  9. Geometry. Please help.

    1) Two angles are complementary. The measure of one angle is 21 more than twice the measure of the other angle. Find the measure of the angles. 2) If a supplement of an angle has a measure 78 less than the measure of the angle,

    asked by Melanie on August 30, 2011
  10. algebra

    Two angles of a triangle have the same measure. The measure of the third angle is 4° less than twice the measure of each of the equal angles. Given that the sum of the three angles of a triangle is always 180°, find each of the

    asked by Anonymous on September 25, 2017

More Similar Questions