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3 years ago

What's the surface area of this figure? (figure shown on picture)

Mathematics

1 answer:

KIM [24]3 years ago

3 0

Answer:

800 in²

Step-by-step explanation:

Let’s find the area of all the shapes in the net.

10 · 10 = 100

100 · 2 = 200

15 · 10 = 150

150 · 4 = 600

200 + 600 = 800

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3 years ago

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3 years ago

Explain why the square root of -64 is undefined but the cubed root of -64 is defined in the real number system

sergejj [24]

Because there is no number that could be multiplied BY ITSELF and still be negative:
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4 years ago

Cecilia brought of a pound of shredded newspaper and Juan brought of a pound of shredded newspaper to art class for a paper mâch

romanna [79]

Answer:

1/5

Step-by-step explanation:

7 0

3 years ago

Two identical square pyramids were joined at their bases to form the composite figure below. 2 square pyramids have a base of 24

Airida [17]

Answer:

$8[\frac{1}{2}(24)(5)]$ cm²

Step-by-step explanation:

Surface area of the composite figure = Surface area of the lateral surfaces of the given pyramids

Lateral surface area of a square pyramid = 4

Therefore, lateral surface area of the pyramid

= $4[\frac{1}{2}(24)(5)]$

Now lateral surface area of the composite figure = 2(lateral surface area of two pyramids)

= $8[\frac{1}{2}(24)(5)]$

Therefore, Expression for the surface area of the given composite figure is,

$8[\frac{1}{2}(24)(5)]$ cm²

6 0

3 years ago

Read 2 more answers