3 years ago

I need help please ASAP

Mathematics

1 answer:

ludmilkaskok [199]3 years ago

5 0

Answer:

length of C'B' is 4 units

length of CB is 8 units

the larger hexagon is twice as large as the smaller; scale is 2:1

Step-by-step explanation:

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The sides of a rectangular room are perpendicular to each other.

stiv31 [10]

Answer:

120 m^2

Step-by-step explanation:

Length of the room = 10 m

Breadth of the room = 12 m

We know that, Area = Length * Breadth

Hence,

Total Area of carpet needed to cover the floor of the room = 12 * 10 = 120 m^2

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2 years ago

Question 1: find the volume of a cube whose total surface area is 486cm^2

lapo4ka [179]

<h3>The volume of cube is 729 cubic centimeter</h3>

Solution:

The surface area of cube is given as:

$Surface\ area = 6a^2$

Where, "a" is the length of side of cube

Given that, surface area = 486 square centimeter

$486 = 6a^2\\\\a^2 = \frac{486}{6}\\\\a^2 = 81\\\\a = 9$

Find the volume of cube:

$volume\ of\ cube = a^3\\\\volume\ of\ cube = 9^3\\\\volume\ of\ cube = 9 \times 9 \times 9\\\\volume\ of\ cube = 729$

Thus volume of cube is 729 cubic centimeter

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3 years ago

Question 26 teresa runs 3 miles in 28 minutes. at the same rate, how many miles would she run in 42 minutes?

Leya [2.2K]

The answer is 4.5 miles. Hope it helps!

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3 years ago

Plz help me with this

Afina-wow [57]

824 just add all the sides so 12+12+400+400=824 and in simpler form w2+l2

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3 years ago

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What theorem can be used to prove that the two triangles are congruent?

Sergio [31]

SSS is my best answer.

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2 years ago

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