The picture contains two geometric objects: semicircle and right triangle
First, find the area of semicircle
This is the formula for area of semicircle
a = 1/2 × area of circle
a = 1/2 × π × r²
Before we find the area, we should determine the value of r. Given from the question that the diameter is equals to 8 m. Radius (r) is half of diameter (d)
r = 1/2 d
r = 1/2 × 8
r = 4 m
Caculate the area
a = 1/2 × π × r²
a = 1/2 × 3.14 × 4²
a = 1/2 × 3.14 × 16
a = 1/2 × 50.24
a = 25.12 m²
Second, find the area of the right triangle
The formula is
a = 1/2 × b × h
Given from the question that the base (b) is 12 m, and the height (h) is 8 m.
Calculate the area, input the value of b and h to the formula
a = 1/2 × b × h
a = 1/2 × 12 × 8
a = 1/2 × 96
a = 48 m²
Third, sum both area
a = area of semicircle + area of right triangle
a = 25.12 + 48
a = 73.12 m²
Solution:
The area is 73.12 m²
Answer:
Step-by-step explanation:
c
Answer:
The inequality is 12.5v + 70 ≥ 215
and the amount of visits they can make is 12 visits
Step-by-step explanation:
if you take away (subtract) 70 from both sides, you'll get
12.5v ≥ 145
and when you divide both sides by 12.5, you'll get 11.6, or 12
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