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Nat2105 [25]
2 years ago
7

What is the surface area of the square pyramid shown, if the base has a side length of 8 inches and l = 15 inches?

Mathematics
1 answer:
givi [52]2 years ago
7 0
You take 15*15 and you take 8*8 and then you add them both together
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Debora [2.8K]

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i am not completely sure but i believe the second or third one is the options, sorry i wish i could help more

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3 years ago
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The measures of 6 of the interior angles of a heptagon are: 120°, 150°, 135°, 170°, 90°, and 125°. What is the measure of the la
Lilit [14]
1. consider one angle of a (convex) heptagon. From that angle you can construct 7-3=4 diagonals. (-3 because we cannot create diagonals with the adjacent vertices and the angle itself )

2. 4 diagonals create 5 triangular regions. (check the picture)

3. So the sum of the measures of the interior angles of the heptagon is 180°*5=900°.

4. The measure of the remaining 7th interior angle is 900°-(120+150+135+170+90+125)°=110°.

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3 years ago
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Step-by-step explanation:

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3 years ago
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The area of a rectangle is 42 square inches and one side is 12 inches long find the perimeter of the rectangle show your work
uranmaximum [27]
So first of all we need to know that area is length times width
Area = L x W 
since we know the area is 42 and the length is 12 lets plug those in
42 = 12 x W 
now we dont know what W is yet but we can figure it out by dividing 42 by 12
42/12 = 3.5 
So W = 3.5!
but its asking for the perimeter and we know that perimeter is all of the sides of the rectangle added up. Heres a picture
   
       ___3.5___
      |                 |
      |                 |
 12 |                 |  12 
      |                 |
      ************
             3.5

see now we just add those all up together:)

12 + 12 + 3.5 + 3.5 = 31!!
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2 years ago
Please tell me.. what is 608 divided by 19
ahrayia [7]

Answer:

32

Step-by-step explanation:

4 0
3 years ago
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