If perpendicular of a right angled triangle is 8 cm and its area is 20 cm2, the length of base is?

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Official Soldier GD Paper : [Gaya] - 1 Nov 2020
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  1. 20 cm
  2. 05 cm
  3. 40 cm
  4. 08 cm

Answer (Detailed Solution Below)

Option 2 : 05 cm
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Detailed Solution

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Given:

Perpendicular of right angled triangle = 8 cm

Area = 20 cm2

Formula used:

Area of right angled triangle = (1/2) × perpendicular × base

Calculation:

⇒ 20 cm2 = (1/2) × 8 × base

⇒ base = 20/4

⇒ 5 cm

∴ The length of base is 5 cm

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