The base of a right triangle is 4 cm and its hypotenuse is 5 cm. The area of the triangle is
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In right-angled triangle ABC
AB2 + BC2 = AC2 (By Pythagoras Theorem)
⇒ AB2 + 42 = 52
⇒ AB2 = 25 – 16 = 9 5 cm
⇒ AB = 3 cm
∴ Area of △ABC = 1/2 BC x AB = 1/2 x 4 x 3 = 6cm2
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