The area of a triangle having base 9 cm and height 16 cm is:

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RRB Group D 9 Sept 2022 Shift 2 Official Paper
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  1. 92 cm2
  2. 82 cm2
  3. 62 cm2
  4. 72 cm2

Answer (Detailed Solution Below)

Option 4 : 72 cm2
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Detailed Solution

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Given:

Base = 9 cm

Height = 16 cm

Formula used:

Area of triangle= \(\frac{1}{2}\) × base × height

Calculations:

According to the question,

Area of triangle= \(\frac{1}{2}\) × base × height

= \(\frac{1}{2}\) × 9 × 16

= 9 × 8 

= 72 cm²

∴ The area of triangle is 72 cm².

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