A ladder 5m long rests against a house and makes an angle of 720 with the ground. How far does the ladder reach up the wall?

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Laaptu asked May 8, 2023

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A ladder 5m long rests against a house and makes an angle of 720 with the ground. How far does the ladder reach up the wall?

Mathematics
college

Laaptu asked May 8, 2023

by Laaptu

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Um the angle is 72. No ladder can make an angle of 72. Anyway trigonometry is the only way to solve this.

The function is sin. Sin(72)= opposite/5(hypotenuse)
5sin(72)=4.76 metres to 2 decimal places

Mkungla answered May 14, 2023

by Mkungla

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