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aleksandrvk [35]
3 years ago
12

Please solve this for me

Mathematics
1 answer:
pshichka [43]3 years ago
5 0

Answer:

  about 13.73 square feet

Step-by-step explanation:

We presume you want the area of the figure.

It can be decomposed into a triangle with base 3.6 ft and height 4.8 ft, together with a semicircle of diameter 3.6 ft.

The area of the triangle is given by ...

  A = 1/2bh

For the given base and height, this is ...

  A = (1/2)(3.6 ft)(4.8 ft) = 8.64 ft²

__

The radius is half the diameter, so the radius of the semicircle is 1.8 ft. The area of a whole circle of radius 1.8 ft is given by ...

  A = πr² = π(1.8 ft)² = 3.24π ft²

We want the area of half the circle, so its area will be ...

  semicircle area = (1/2)(3.24π ft²) = 1.62π ft² ≈ 5.089 ft²

__

Then the total area of the figure is ...

  total area = triangle area + semicircle area

  = 8.64 ft² + 5.09 ft²

  total area = 13.73 ft²

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morpeh [17]

Answer is 0.2

To fnid the decimal, dovide the percentage by 100. 20/100 is 0.2.


I hope youre still around to read this

6 0
3 years ago
Read 2 more answers
What is the area of cross-section ADGF of this right rectangular prism?
dedylja [7]

Answer:

C.52 square units

Step-by-step explanation:

We are given that

Length of cross-section ADGF,l=13units

Length of cross-section ADGF, b=4 units

We have to find the area  of cross-section ADGF of this right rectangular prism.

We know that

Area of rectangle=l\times b

Using the formula

Area of cross-section ADGF of this right rectangular prism

=13\times 4

Area of cross-section ADGF of this right rectangular prism=52square units

Option C is correct.

C.52 square units

5 0
2 years ago
More help please!!!!!!!!!!!!!!!!!!!!!!!
Gemiola [76]

Answer:

3 1/3

Step-by-step explanation:

10+z=z+z+z+z

10+z=4z

10=3z

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8 0
3 years ago
Write an
Helga [31]

Answer:

Since the Line is Perpendicular

m.m'=-1

The line

y=x+8

Comparing with

Y=mx + C

m=1

m.m'=-1

m'=-1/m = -1/1 = -1.

y-y' = m'(x-x')

The point it passes is (-7,8)

y-8= -1(x--7)

y-8=-1(x+7)

y-8 = -x - 7

y + x -1 = 0.

or In Slope intercept Form

Just Make y the subject

y= -x + 1 ..... This is your answer.

Hope this helps!!!

6 0
2 years ago
Help picture below problem 12
inysia [295]

Answer:

124°

Step-by-step explanation:

Not the best at explaining but should be equal to 180 straight across. You have to find the missing angle. You know the right angle is 90° so you will add 34° to get 124°. 180-124 will get you 56°. Straught across you have the angle that you are trying to find which is 124° because 180-56 is 124.

8 0
2 years ago
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