Question

in the adjacent figure side Ac and AB of the right angle triangle are 20cm and 10cm respectively find c​

Answer 1

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Answer 2

Correct Question :- In the adjacent figure side AC and AB of the right angle triangle right angle at B are 20cm and 10cm respectively find BC ?

Answer :-

we know that,

• side opposite to right angle = Hypotenuse = AC = 20 cm .

Let length of side BC is x cm .

so, using pythagoras theorem we get,

→ AB² + BC² = AC²

→ 10² + x² = 20²

→ x² = 20² - 10²

→ x² = (20 + 10)(20 - 10)

→ x² = 30 * 10

→ x² = 3 * 100

→ x² = 3 * 10²

square root both sides,

→ x = 10√3 cm (Ans.)

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