A pole 15 m long rests against a vertical wall at an angle of 30∘ with the ground How high up the wall does the pole reach?

sin30∘=15xor x=15sin30∘=215=7.5

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A pole 15 m long rests against a vertical wall at an angle of

Question

A pole 15 m long rests against a vertical wall at an angle of $3 0^{\circ}$ with the ground How high up the wall does the pole reach?

5 m

7.5 m

8 m

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Samuel Discussed

A pole 15 m long rests against a vertical wall at an angle of

3 0^{\circ}

with the ground How high up the wall does the pole reach?

11 mins ago

Discuss this question LIVE

11 mins ago

sin 3 0^{\circ} = \frac{x}{15}

x = 15 sin 3 0^{\circ} = \frac{15}{2} = 7.5

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Question Text	A pole 15 m long rests against a vertical wall at an angle of $3 0^{\circ}$ with the ground How high up the wall does the pole reach?
Answer Type	Text solution:1
Upvotes	150