Question

in parallelogram PQR ∆P:∆Q=7:8 find measure of all angles PQRS​

Answer 1

7x+8x= 180(adjacent angle parelgram are 180°)

15x=180

x=12°

first angle -- 12 × 7 = 84

second angle -- 8×12 = 96

third angle = 84°

fourth angle = 96°

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