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adell [148]
3 years ago
5

Pyramid = 40

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
5 0

Answer:

A. 39,000.

Step-by-step explanation:

Volume of the lower prism = 30^3= 27,000

Volume of the pyramid = 1/3 area of the base * height

= 1/3 * 900 * 40

= 1200

Volume of the whole solid = 27000 + 12000

= 39,000,

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I’m not that sure about my answer, but if I’m not wrong:

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2 years ago
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A student claims that only one operation is needed to calculate the length of the subtended arc when given the measure of a cent
Debora [2.8K]
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3 years ago
CAN SOMEONE PLEASE HELP ME??!!
Leno4ka [110]

Answer:

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3 years ago
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weqwewe [10]

Question 1: Equiangular

Question 2: Area of the parallelogram = 48 square centimeters

Question 3: Perimeter of the rectangle = 42 ft

Question 4: Area of the trapezoid = 154 square inches

Solution:

Question 1:

The given polygon is a rectangle.

The angles of each side of the polygon is 90°.

This means all angles are equal.

Hence Option A equiangular is the correct answer.

Question 2:

Area of the parallelogram = Base × Height]

                                           = 6 cm × 8 cm

Area of the parallelogram = 48 square centimeters

Question 3:

Perimeter of the rectangle = 2(length + width)

                                            = 2( 15 ft + 6 ft)

                                            = 2(21 ft)

Perimeter of the rectangle = 42 ft

Question 4:

Area of the trapezoid = \frac{1}{2}\times \text{sum of the parallel sides}\times \text{height}

                                    $=\frac{1}{2}\times (14+ 8)\times 14

                                    $=\frac{1}{2}\times 22\times 14

Area of the trapezoid = 154 square inches

8 0
4 years ago
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 *Important: in the parentheses are the explanation of why I did each addition or multiplication 
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