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Veronika [31]
2 years ago
13

The diagram shows a regular hexagon and a regular pentagon.

Mathematics
1 answer:
drek231 [11]2 years ago
6 0

Since a regular polygon has equal interior angles, then the measure of the angle marked x is: 132°.

<h3>What is a Regular Polygon?</h3>

A regular polygon is any n-sided polygon that has equal interior angles and equal sides.

Thus:

  • Each angle of a regular hexagon = 120°
  • Each angle of a regular pentagon = 108°

Therefore:

x = 360 - 120 - 108

x = 132°

Thus, since a regular polygon has equal interior angles, then the measure of the angle marked x is: 132°.

Learn more about regular polygon on:

brainly.com/question/1592456

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nydimaria [60]

0.85=0.85

3/5=0.60

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7/10=0.70

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0.15, 3/5, 7/10, 0.85

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3 years ago
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Answer:

45.367 cm

Step-by-step explanation:

Approximating to a more number of decimal places gives a better estimation of the exact value.

For 45.367 cm, we approximated to three decimal places or five significant figures.

For 43.43 cm, the approximation is done to four decimal places.

Therefore the measurement 45.367cm is more precise because it has a relatively smaller error.

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Find the arc length of the semicircle. Either enter an exact answer in terms of π or use 3.14 and enter your answer as a decimal
cricket20 [7]

Answer:

The arc length of the semicircle is 5 \pi\ units or 15.7\ units

Step-by-step explanation:

The complete question in the attached figure

we know that

The circumference of a semicircle is given by the formula

C=\frac{1}{2}\pi D

where

D is the diameter of the semicircle

we have

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substitute

C=\frac{1}{2}\pi (10)

C=5 \pi\ units ----> exact value

Assume

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C=5(3.14)=15.7\ units ----> approximate value

therefore

The arc length of the semicircle is 5 \pi\ units or 15.7\ units

6 0
3 years ago
Find the volume of a cylinder with a radius of 4.8 cm and a height of 14.6 cm. [Use it =
juin [17]

Answer:

1056.24 cm^3

Step-by-step explanation:

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Plug in your numbers 3.14*4.8^2*14.6=1056.24

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