Answer:

Step-by-step explanation:
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It usually works to use the formula for the area of a trapezoid.
A = (1/2)×(b₁ +b₂)×h
where b₁ and b₂ are the lengths of the parallel bases, and h is the height (the perpendicular distance between the bases)
_____
This is one of several area formulas it pays to memorize.
Answer:
That is an acute angle
Step-by-step explanation:
Its impossible to give measures without a protractor and with so little information, if you supply me with more I may be able to help you find the measures.
Step-by-step explanation:
So you solve the equation for x and then solve it for y. If the x and y match the given ordered pair then the answer is yes