exam Maths Puzzle Numerical Ability

A 30 foot ladder leaning up againist a building makes an angle of 30 degrees with the building. How high up the wall is the ladder from the ground?

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exam Other Question

can someone help me name TWO angles that are coterminal with an angle of 200 degree?? can you please help me find the domain, range, intercepts and asymptotes for the function, f(x)=(3/(x+2))