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The area of a right angled triangle is 10 sq cm. If its perpendicular is equal to 20 cm, find its base.

1 cm
4 cm
3 cm
2 cm

Correct Answer: 1 cm

Explanation:

Given that, area = 10 sq cm,
perpendicular = 20 cm and base = ?
area = (base x Perpendicular) / 2
⇒ 10 = (base x 20) / 2
∴ base = 1 cm

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