Math, asked by nmesoma443, 8 months ago

A quadilateral has angles of 128° ,91°,a° and 2a° . Find the value of A

Answers

Answered by himanshi18636

4

Answer:

a= 47°

Step-by-step explanation:

sum of interior angle of quadrilateral=360°

128°+91°+a°+2a°=360°

219°+3a°=360°

3a°=360°-219°

3a°=141°

a°=47°

therefore , a = 47°

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