Answer:
54.3deg
Step-by-step explanation:
sin(angle) = 65/80
angle = 54.34deg
Answer:
12.5416667
Step-by-step explanation:
Answer:
Triangle
Step-by-step explanation:
Area of a triangle
= 1/2 x base x height
9514 1404 393
Answer:
Step-by-step explanation:
The shaded area contains area A and two of area B. The expression for that area can be written ...
Area of trapezoid = A + 2×B
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The overall rectangle has an area of D. The areas labeled C can be subtracted from that to leave the shaded area. The expression for that is ...
Area of trapezoid = D - 2×C