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Answer:
A = 15u²
Step-by-step explanation:
Area of a Trapezoid Formula:
Plug in our values (h = 3, b1 = 7, b2 = 3)
Now we evaluate
The sides all satisfy the Pythagorean Theorem so it is a right triangle. I attached an image of how the triangle should look like and as you can see, the angle is 90 degrees or pi/2 radians.
