Math, asked by johnsonkisku, 4 months ago

'the angles A, B, c and D of a quadrilateral ABCD in that order are in the ratio 5:7:7:ll. The measure of tilgle C is I​

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Answered by shamita28
0

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Answered by giteshbrijesh2014bg
1

Given:

A:B:C:D= 5:7:7:11

Let the angles be x

So we get

A:B:C:D= 5x:7x:7x:11x

So,

A =5x

B =7x

C=7x

D=11x

A+B+C+D= 360 degrees

5x+7x+7x+11x=360 degrees

30x= 360 degrees

x=360 degrees /30

x=12 degrees.

Measure of angle C is 7x = 7*12 degrees = 84 degees

hope this helps you...

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