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Nata [24]
2 years ago
11

Help with these questions to

Mathematics
1 answer:
katovenus [111]2 years ago
3 0

Answer:

Step-by-step explanation:

the formula for calculating the perimeter of a circle (the circumference C) is:

2π * r

And the area is:

π * r²

r is the radius.

Radius is the half of the diameter. The diameter here is equal to two square. One square is 5 of side.

The diameter is 10 and the radius is 5

<h3>C = 2 * 3.14 * <u>5</u> = 31.4</h3><h3>A = 3.14 * <u>5²</u> = 3.14 * 25 = 78.5</h3>

It is the same for the other circle

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Please help me.<br> If △NMK ≅ △TRP, then answer the following questions:
Natalka [10]

Answer:

Answers are below.

Step-by-step explanation:

a. △MNK ≅ △RTP

b. TR ≅ NM

c. x = 7

hope this helps and is right!! p.s. i really need brainliest :)

3 0
3 years ago
ANSWER FAST PLEASE!!!! 
zheka24 [161]

The area of the given trapezoid will be the sum of the areas of the triangular part and the rectangular part.

Now, the area of the rectangle, A_1 is:

A_1=length \times width=2\times 1.5=3 squared yards

Likewise, the area, A_2 of the triangle will be:

A_2=\frac{1}{2}\times base\times height=\frac{1}{2}\times 5\times 1.5=3.75 yd^2

Thus, the area of the trapezoid=A_1+A_2=3+3.75=6.75 yd^2

Thus the first option is the correct option.

4 0
3 years ago
If x varies directly as y, and x=12 when y=3, find x when y=7
Stella [2.4K]

Answer:

28

Step-by-step explanation:

x=12 and y=3

x=4 and y =1

x=28 and y=7

3 0
3 years ago
Read 2 more answers
Which label on the cone below represents the height?<br> *<br> A<br> B<br> C<br> D
posledela

Answer:

The answer is B.

Step-by-step explanation:

Let us go through each of the points one by one:

The label A represents the radius of the base of the cone.

The label B represents the height of the cone.

The label C represents the origin of the base of the cone.

The label D represents the vertex of the cone (where the cone ends).  

So it is choice B that represents the height of the cone.

<em>P.S: it is tempting to pick label D to represent the height, but since label A already points to a line that is the height of the cone, we don't pick Label D.</em>

4 0
3 years ago
Read 2 more answers
Explain how to explain if a angel if a right angel without measuring it
AURORKA [14]

Answer:

Opposite of the hypotenuse

Step-by-step explanation:

In a right triangle the right angle (90 degrees) is opposite of the hypotenuse

7 0
3 years ago
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