Question:Find the area of he trapezoid by decomposing it into other shapes.
1 answer:
Answer:
D) 171 cm²
Step-by-step explanation:
You don’t actually need to decompose it. You could just do it as a trapezoid:
(15+23)/2=19
19x9=171
If you want to decompose it into 2 triangles and a rectangle:
10=15x9=135
1/2(3)(9)=13.5
1/2(5)(9)=22.5
135+13.5+22.5=171 also
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Answer:
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Step-by-step explanation:
Answer:
4220.16
Step-by-step explanation:
V = h
V= * 21
v= 4220.16
The value of x = 10
12x - 10 = 10x + 10
2x = 20
x = 10