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kakasveta [241]
3 years ago
7

Geometry help me! Extra points!

Mathematics
1 answer:
denis23 [38]3 years ago
6 0

Answer:

71

Step-by-step explanation:

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Find the surface area of the figure below.
gayaneshka [121]

Answer:

261 cm²

Step-by-step explanation:

To find the surface area of a square pyramid, you must first recognize all of the shapes.

There are four triangles and one square.

  • To find the area of a square, multiply the side by itself twice.
  • To find the area of a triangle, multiply the base and the height, then multiply the product by 1/2.

The triangles have a base of 9 and a height of 10.

9*10=90

Multiply the product by 1/2.

90*1/2 = 45

There are four triangles.

45*4=180

The area of all three triangles is 180 centimeters; the area of a single triangle is 45 centimeters.

There square has sides of 9 centimeters.

9*9=81

The area of the square is 81 centimeters.

Lastly, we add the areas of the shapes.

45+45+45+45+81 = 261.

Therefore, the surface area of this square prism is 261 cm².

You can use this layout to find the surface area of a square pyramid.

6 0
2 years ago
Can someone help me out please?? I would really appreciate it.
maria [59]

Answer:

I can't

Step-by-step explanation:

4 0
3 years ago
30 POINTS NO CAP PLEASE HELP NEED RIGHT ANSWER
stellarik [79]

Answer: y = 2/3x - 1

Step-by-step explanation:

4 0
3 years ago
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What is the product?<br> (2x - 1)(x+4)<br> 2²-4<br> 2x²+4<br> 2x^2+7x-4<br> 2x^2-7x-4
SVETLANKA909090 [29]
2x^2 -7x -4 is the answer
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3 years ago
Jasper and Corey have saved up a total of $78.00. Jasper has saved 6 dollars more than twice as much as Corey. How much has Core
Novay_Z [31]

Answer:

24 is the answer..for this concept

4 0
3 years ago
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