Answer:
129.5 cm²
Step-by-step explanation:
The area (A) of a trapezoid is calculated as
A =
h(a + b)
where h is the height and a, b the parallel bases
Here h = 7, a = 15 and b = 22 , thus
A =
× 7 × (15 + 22)
= 0.5 × 7 × 37
= 129.5
1288991/7776
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Hope this helps you
Circumference = 2 X PI X r
orange circle r = 5cm
circumference = 2 x 3.14 x 5 = 31.4 cm
blue circle r = 5+5 = 10
circumference = 2 x 3.14 x 10 = 62.8 cm