Question

two angles of a quadrilateral are 68° and 76°.If the two angles are in the ratio 5: 7,find the measure of each of them
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Answer 1

Answer:

Step-by-step explanation:

total angles in quadrilateral =360

68+76+5x+7x=360

144+12x=360

12x=360-144

12x= 216

x= 18

5x= 5(18)=90

7x= 7(18)= 126

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Answer 2

Answer:

Total measure of angles in quadrilateral is 360°

Therefore, two angles are given as 68°&76°

And other two angles are in the ratio 5:7

So, the sum of other two angles = 360–68–76

= 216°

Sum of ratio is 12.

First angle of ratio = 5/12×216

= 90°

Second angle of ratio = 7/12×216

=144°

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Step-by-step explanation: