Question

ABCD is a rhombus . if AC is 16 cm and BD is 30 cm then find ar ( ABCD)
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Answer 1

Given-ABCD is a rhombus .

AC-16

BD-30

To find-ar(ABCD)

Step-by-step explanation:

Proof -OA=AC/2=8cm

OB=BD/2=12/2=6

By Pythagoras theorem

(AB)²=(OA)²+(OB)²

(AB)²=64+36

(AB)²=100

AB=10 cm