Question

4) □ABCD is a parallelogram.
The ratio of the measures of < A
and < B is 13:7 then the measure
of < A is _____​

Answer 1

Answer:

let the common multiple of the given ratio then

< A and < B is 13:7

Therefore, < A = 13x° and 7x°

□ABCD is a parallelogram.

Therefore, < A + < B = 180°

13x° + 7x° = 180°

20x° = 180°

x = 180°/20°

x = 9°

we have to find

< A = 13x

= 13 * 9

= 117°

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