Question

Ramesh rides his bike 16 km west and then 12 km south to reach his office. how far is he from the house.

Answer 1

Given that, [shown in the attachment]  

⇒ Let's consider ΔABC as right angle triangle,

⇒ As per Pythagoras theorem,

⇒ AB² + BC² = AC²

⇒ (16)² + (12)² = AC²

⇒ 256+144 = AC²

⇒ 400 = AC²

⇒ √400 = AC²

⇒ 20 = AC

Therefore, the distance from his house to office is 20km

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