Question

please solve
If ABCD is a rectangle. E is points on BC and the area of an isosceles right angled triangle ABE is 7cm- and EC=3BE, then the area of ABCD is​

Answer 1

Answer:

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Area of rectangle = 14×7=98 cm2

Radius of semicircle = 27 cm

Area of semicircle = 21×722×27×27=477=19.25 cm2

Radius of quarter circle =7 cm

Area of quarter circle = 41×722×7×7=38.5 cm2

Therefore,

Required area = 98−19.25−38.5=40.25 cm2

Answer 2

QUESTION⤵

please solve

If ABCD is a rectangle. E is points on BC and the area of an isosceles right angled triangle ABE is 7cm- and EC=3BE, then the area of ABCD is?

ANSWER

Area of rectangle = 14×7=98 cm2

Radius of semicircle = 27 cm

Area of semicircle = 21×722×27×27=477=19.25 cm2

Radius of quarter circle =7 cm

Area of quarter circle = 41×722×7×7=38.5 cm2

Therefore,

Required area = 98−19.25−38.5=40.25 cm2

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