Question

in the following figures ,find the area of the shaded regions:

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Answer 1

Answer:

${yx \frac{ \alpha ee\pi \alpha \frac{ \sqrt{ | \frac{ { { { {? \times \frac{?}{?} \times \frac{?}{?} \times \frac{?}{?} \times \frac{?}{?} \times \frac{?}{?} }^{?} }^{2} }^{2} \times \frac{?}{?} }^{2} }{?} | } }{?} }{?} \times \frac{?}{?} }^{2}$

Answer 2

$\huge\colorbox{pink}{Answer:--}$

i). ABCD is a rectangle in which

Length = 18 cm

Breadth b= 10 cm

Area = 18 × 10 = 180cm²

DE = 10 cm

EC = 18-10 = 8cm

Now area of ∆BCE = 1/2×BC×EC

= 1/2×10×8 = 40cm²

And area of ∆FDE = 1/2×DC×DF

= 1/2×10×6=30cm²

Area of shaded portion = Area of rectangle - Area of ∆BCE - Area of ∆FDE

= 180-(40+30)

= 180-70

= 110cm²

ii). In the given figure,

ABCD Is a square whose each side = 20cm

E And F are mid points of AB and AD respectively.

EC and FC are joined

Area of square ABCD = (Side)² = (20)² = 400cm²

Area of ∆EBC = 1/2×EB×BC

= 1/2×10×20 = 100cm²

Area of ∆FD2 = 1/2×10×20 = 100cm²

Area of ∆AEF = 1/2×10×10 = 50cm²

Area of shaded portion =

400-(100+100+50)cm²

400-250

= 150cm²