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The area of rectangle ABCD below is 30 cm².

What is the area of the shaded portion?​

The area of rectangle ABCD below is 30 cm². What is the area of the shaded portion-example-1
User Ilena
by
7.5k points

1 Answer

6 votes

Answer:

The area of shaded portion is 15cm^2

Explanation:

Since the length of corresponding side of the rectangle are equal

AB = CD

AD = BC

So, △ABD ≌ △BCD

the area of shaded portion

= area of △ABD

= half of the area of rectangle

= 1/2 ✖ 30cm^2

= 15cm^2

User Gongdo Gong
by
7.7k points

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