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soldi70 [24.7K]
3 years ago
14

Find the area of a semi-circle that has a radius of 8 cm.

Mathematics
2 answers:
kolbaska11 [484]3 years ago
4 0

Answer:

B.

200.96 cm2

Step-by-step explanation:

A≈201.06cm²

Solution

A=πr2=π·82≈201.06193cm²

Otrada [13]3 years ago
3 0

Answer:

A

Step-by-step explanation:

trust

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4 years ago
How do you find the area of a triangle
Anna007 [38]
Salutations!

How do you find the area of a triangle

To find the area of a triangle, you need to know the formula of the triangle to work it out. The following is the formula of the triangle:

hb/2 

H - height

B- Base

You need to multiply the base and height and divide it by 2.

Lets solve a question!

Find the area of a triangle with a base of 32mm and a height32 * 35 of 35mm

Area = hb/2

         = 32* 35

          = 1120

          = 1120/2

           = 56cm^2

Hope I helped (:

Have a great day!
3 0
3 years ago
What is the value of f(x) when x = -3?
Gemiola [76]

Answer:

C) 16

Step-by-step explanation:

f(x)=2x^2+4x+10

Let x = -3

f(-3) = 2(-3)^2 +4(-3) +10

       = 2(9)- 12+10

       = 18 -2

       = 16

6 0
4 years ago
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