Math, asked by rounick1013, 11 months ago

ABCD is a cyclic trapezium with AD||BC. If ∠B=70°, determine other three angles of the trapezium.

Answers

Answered by gethanjaligeethu

2

Answer:

B=70

C=70

A=x

D=x

x+70+x+70=360
2x+140=360
2x=360-140
2x=220
x=220÷2
x=110

A=110

B=70

C=70

D=110

110+70+70+110=360

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