Question

In a quadrilateral abcd, if
LA = 100 LB=60, LC-60 find LD​

Answer 1

Answer:

so as we know sum of interior angles of quad = 360°

then LA + LB + LC + L D = 360°

100+50+60+LD=360°

210°+LD=360°

LD=360°-210°

therefore LD= 150°

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