Question

6. Find the area of a cyclic quadrilateral ABCD in which AB – 10 cm, BC = 8 cm, CD = 5 cm and
DA=7 cm.​

Answer 1

Step-by-step explanation:

area of cyclic quadrilateral is s=a+b+c+d÷2

V(s-a)(s-b)(s-c)(s-d)

s=10+8+5+7÷2

s= 15

V(15-10)(15-8)(15-5)(15-7)

V5x7x10x8

V5x7x5x2x2×2x2

5x2x2v7

20v7 cm.sq

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Answer 2

Step-by-step explanation:

the correct answer is 20 i hope it helps you