Ladder 15 m long is leaning against a wall and the angle at thr foot of the ladder is 30 degree what is the height of the wall
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sinQ = p/ H
sin 30° = p/15
1/2 = p/15
2p= 15
p = 7.5 m .
sin 30° = p/15
1/2 = p/15
2p= 15
p = 7.5 m .
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