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nlexa [21]
3 years ago
13

What is the measure of angle C?

Mathematics
2 answers:
Allisa [31]3 years ago
8 0

Answer:

60 degree

Step-by-step explanation:

When congruent sides for the whole triangle are shown we know they have equal angles also, so we call them equilateral triangle.

We try 60, 60, 60 and they all add up to 180 degree,

so we know angle C = 60 deg

Darina [25.2K]3 years ago
3 0

Answer:

a?

Step-by-step explanation:

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An airplane must clear a 60-foot pole at the end of a runway 500 yards long determine the angle of elevation at which the airpla
Marat540 [252]

Answer:

2.3 degrees.      

Step-by-step explanation:

Please find the attachment.

We are told that an airplane must clear a 60-foot pole at the end of a runway 500 yards long.

Let us convert 500 yards to feet.

1 yard= 3 feet.

500 yards= 3*500 feet= 1500 feet.

We can see from our attachment pole and runway are in form of a right triangle. The pole is opposite to angle of elevation of plane and length of runway is adjacent.

Since tangent represents the relation between opposite and adjacent of right triangle, So we will use tangent to find angle of elevation that plane must ascend to clear the pole.  

tan(\theta)=\frac{60}{1500}    

\theta=\tan^{-1}(\frac{60}{1500} )

\theta=\tan^{-1}(0.04)

\theta=2.290610042639

Therefore, the airplane must ascend 2.3 degrees to clear the pole.

8 0
3 years ago
4z/7 - 7 = 10 What is z??????
Luda [366]

Answer:

Here is the solution. Hope it helps.

7 0
3 years ago
I need help now it’s an iready
timurjin [86]

Answer:

It should be 147

Step-by-step explanation:

4 0
3 years ago
A Web music store offers two versions of a popular song. The size of the standard version is 2.9 megabytes (MB). The size of the
Lady bird [3.3K]
Write the equations: 2.9s+4.7h=6076
 \\ h= 4s
Substitute for h: 2.9s+4.7(4s)=6076
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There were 280 downloads of the standard version. There were 1120 downloads of the high-quality version.
5 0
3 years ago
A cylinder is filled with 900 liters of water.find the area of its base if height of cylinder is 20dm.
Lisa [10]
The formula of the volume of a cylinder:

V=\pi r^2H\\\\where:\\\\r-a\ radius\\H-a\ height\\\pi r^2-an\ area\ of\ base

We have:

V=900\ liters\\1L=1dm^3\ therefore\ V=900L=900dm^3

and

H=20\ dm

substitute:

\pi r^2\cdot20=900\ \ \ |:20\\\\\pi r^2=45\ dm^2

Answer: The area of a base of the cylinder is equal 45 dm².
5 0
3 years ago
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