Question

9. ABCD is a kite . If angle BCD =40, find (a) angle BDC (b) angle ABC​

Answer 1

Answer:

A=60.......BDC=70...........

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Answer 2

Answer:

ABCD is a kite

BCD=40°and BDC=.....

BC=DC(given)

angle BCD+ angleBDC+ angleDBC=180° _ eq.1

angle BDC= angleDBC (opposite sides are equal then opposite angle are also equal

put the value in eq 1

40°+BDC+BDC=180°

2 angleBDC=180°-40°

2 angle BDC= 140°

BDC=140°/2

BDC=70°