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Katena32 [7]
2 years ago
6

What is the surface area, in square centimeter, of the square pyramid?

Mathematics
1 answer:
AnnZ [28]2 years ago
6 0
Surface area = 56 cm2

Explanation:

Area of square base = Side x Side = 4 x 4 = 16 cm2

Area of triangle = 1/2 x Base x Height = 1/2 x 4 x 5 = 10 cm2
Area of 4 triangles = 10 x 4 = 40 cm2

Surface area of pyramid = 16 + 40 = 56 cm2
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Area of a Circle
Cloud [144]

Answer:

The diameter of the pond is 38 m.

The radius of the pond is 19 m.

The area of the pond is 361 m^2.

Step-by-step explanation:

We know that the circumference C of a circle is equal to

C=\pi D

In this case, C is equal to 120 m.

The diameter is then:

D=C/\pi=120/3.14=38.21\approx 38

Rounded to the nearest whole number, the diameter is D=38 metres.

The radius is equal to half the diameter, so the radius of this pond is R=19 metres.

R=D/2=38/2=19

The area can be calculated from the radius as:

A=r^2=19^2=361

The area is 361 m^2

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2 years ago
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egoroff_w [7]
B equals c hope this helps :)
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2 years ago
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Simplify the following question<br>x+9-10=500
Katarina [22]

Step-by-step explanation:

x+9-10=500

x-1=500

x=500+1=501

3 0
3 years ago
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skyalr makes turkey sandwiches for a family. he purchases 5 pounds 4 ounces of sliced Turkey for $26.88.what is the unit cost pe
algol [13]

Answer:

$0.32/ounce

Step-by-step explanation:

Total cost of Turkey - $26.88

Amount Purchased - 5 pounds 4 ounces

16 ounces in a pound

5 x 16 + 4 = 84

\frac{84x}{84} = \frac{26.88}{84}

x = $0.32

7 0
2 years ago
Write the linear equation in slope-intercept form and simplify.<br> –4x + 13y = 7
statuscvo [17]

\\ \sf\longmapsto -4x+13y=7

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\\ \sf\longmapsto y=\dfrac{4x+7}{13}

\\ \sf\longmapsto y=\dfrac{4}{13}x+\dfrac{7}{13}

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2 years ago
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