ABC is right angled triangle at A. AGFB is a square on the side AB and BCDE is a square on the hypotenuse BC. If AN is perpendicular to ED. Prove that area of square AGFB is equal to the area of the rectangle BENM
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Area of rectangle BENM = Area of Square AGBF
Step-by-step explanation:
Area of Square AGBF
= BA * BA
= BA²
Area of rectangle BENM
= BE * BM
BE = BC as BCDE is a sqaure
= BC * BM
AM ⊥ BC
ΔBMA & ΔBAC
∠B = ∠B ( common angle)
∠BMA = ∠BAC = 90°
=> ΔBMA ≈ ΔBAC
=> BM/BA = MA/AC = BA/BC
BM/BA = BA/BC
=> BM * BC = BA²
Area of rectangle BENM = BA²
Area of Square AGBF = BA²
=> Area of rectangle BENM = Area of Square AGBF
QED
Proved
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