A ladder 20 m long is leaning against a vertical wall. It makes an ang – McqOptions

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1.	A ladder 20 m long is leaning against a vertical wall. It makes an angle of 30° with the ground. How high on the wall does the ladder reach?A. 10 mB. 17.32 mC. 34.64 mD. 30 m
A.	C
B.	D
C.	B
D.	A
Answer» E.

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