# geom/trig

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A 40 ft ladder leans against a wall so the base of the ladder is 11 feet away from the base of the wall . What angle does the ladder make with the wall?

• geom/trig -

i believe that you set it up like cos(x)= a/h
a= 11 feet
h= 40 feet
then you take the inverse cos of 11/40

• geom/trig -

The base of a right rectanglar prism is 12 cm by 8 cm. The height is 5 cm. Find its surface area.

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