Question

find the area of the shaded portion
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Answer 1

$\huge\bf\underbrace{\pink{A}\orange{n}\blue{s}\red{w}\green{e}\purple{r}}$

• 100 cm2. B.

• 110 cm2. C.

• 120 cm2. D.

• 125 cm2. Medium. Solution. Verified by Toppr. Correct option is B) Area of shaded region = Area of rectangle − Area of both triangles. A1= Area of rectangle =180 cm2.

• A2= Area of triangle △AFE=30 cm2. A3= Area of triangle △CBE=40 cm2. Area of shaded region =180−30−40=110cm2.

Answer 2

Answer:

area of ABCD

= 17cm × 10cm

= 170cm²

area of BCF

= 1/2 × BC × BF

= 1/2 × 10cm × 9cm

= 5 × 9 cm²

= 45 cm²

area of AFE

= 1/2 × AF × AE

= 1/2 × 8cm × 6cm

= 4 × 6 cm²

= 24cm²

area of shaded portion

= 170cm² - (45 + 24)cm²

= 170cm² - 69cm²

= 101cm²