Question

In kite ABCD, |AB| = 15 cm, |AC| = 21 cm and angle ABC = angle ADC = 120 degrees. The image of the kite ABCD in the 1/4 scale similarity is the kite A1B1C1D1. Find the circumference of A1B1C1D1 kite.

Answer 1

Answer:

In kite ABCD angle ADC =90degree

then in triangle ADC

ADC is a right angled triangle that is angle ACD =45degree

so as ADC is 90 then remaining two angles are 45degree and 45 degree

and angle DAC =45degree

sorry but my ans may wrong

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