15-07-2019
Mathematics

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Given parallelogram ABCD, find the lengths and angles required

Given parallelogram ABCD find the lengths and angles required class=

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mahamahmood95 mahamahmood95

15-07-2019

Step-by-step explanation:

let's Recall the properties of a parallelogram

1. the opposite sides of a parallelogram is congruent

AB=CD

8x-7=5x+2

8x-5x=7+2

3x=9

x=3

2. the consecutive angles are supplementary

angle A+angle D=180°

2y+50°+3y+40°=180°

5y+90°=180°

5y=90°

y=18

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