If the area of a trapezoid is 57cm2 and one of the bases is 11cm what is the length of the other base?

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.