3 years ago

Select all statements that are true about the triangles.

Mathematics

1 answer:

Hatshy [7]3 years ago

3 0

Answer:

Step-by-step explanation:

Side andle side

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2 Points

myrzilka [38]

Answer:

Step-by-step explanation:

First find the circumference of the circle with radius of 9 inches:

$C=2\pi r=2\pi \cdot 9=18\pi \ inches$

The full angle has 360°, so, to find the length of the arc DE, you can write:

$360^{\circ}\ - \ 18\pi \\ \\145^{\circ}\ - \ x$

which yields a proportion:

$\dfrac{360}{145}=\dfrac{18\pi}{x}\\ \\360x=145\cdot 18\pi\\ \\x=\dfrac{145\cdot 18\pi }{360}=\dfrac{145\pi}{20}=7.25\pi\approx 22.8\ inches$

6 0

3 years ago

Help out please and please write answer in a decimal

Lemur [1.5K]

4+2.2h=-3.7
2.2h=-7.7
h=-7.7/2.2=-7/2=-3.5

The answer is -3.5

Good luck!

4 0

4 years ago

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I need to know as soon as possible!! thanks

qwelly [4]

Answer:

m = 24

Step-by-step explanation:

m + 7° + 2m + 11° = 90°

3m + 18° = 90°

3m = 90°- 18°

3m = 72

(divide both sides by 3)

therefore : m = 24

5 0

3 years ago

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153.8=3.14(r)squared

uysha [10]

153.8 = 3.14r^2

Divide each side by 3.14 to get r alone.

48.9 = r^2

Take the square root of each side to isolate r.

r = 6.999

r= 7

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3 years ago

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Please help me! Wil give brainliest!

Mashcka [7]

Answer:

Help With what?

Step-by-step explanation:

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3 years ago