Which is the area of a trapezoid with bases of 10 m and 20 m, and a height of 5 m?
A. 70 m2
B. 75 m2
C. 80 m2
D. 150 m2
E. 300 m2

Its B

Step-by-step explanation:

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30 km

Step-by-step explanation:

We can use the below formula to find the diameter of a circle.

C = π × d

Here,

C ⇒ circumference ⇒ 94.2 km

d ⇒ diameter

To find the diameter make d as the subject in the above formula.

d = C / π

d = 94.2 / 3.14

d = 30 km