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Gala2k [10]
3 years ago
5

The square pyramid below has a height of 12 centimeters and a slant height of 20 centimeters. The square base of the pyramid has

side lengths of 32 centimeters.
What is the lateral area of the pyramid?
Mathematics
2 answers:
vaieri [72.5K]3 years ago
7 0
So in a square pyramid, the lateral faces are the four triangles that form the top and side portions of the shape. The general formula for the lateral surface area of a regular pyramid is lateral area = (perimeter of base x slant height of pyramid) ÷ 2.
MrRissso [65]3 years ago
6 0

Answer is D, 1280cm^2.

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Elodia [21]

Answer:

a1 = 6

a2 = 15

a3 = 24

a4 = 33

Step-by-step explanation:

Let k =1

a1 =-3 +9(1) = -3 +9 = 6

Let k = 2

a2 = -3 +9(2) =-3+18 = 15

Let k =3

a3 =-3 +9(3) = -3 +27 = 24

Let k = 4

a4 = -3 +9(4) =-3+36 = 33

8 0
3 years ago
6h+5h-3j I would love to know this answer
mario62 [17]
6h + 5h - 3j = 11h - 3j (all u can do is combine like terms...if they're not like terms, they cannot be combined)
6 0
3 years ago
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How do I solve this?​
lakkis [162]

Answer:

\large\boxed{4\sqrt{-81}+\sqrt{-25}=41i}

Step-by-step explanation:

i=\sqrt{-1}\\\\\sqrt{-81}=\sqrt{(81)(-1)}=\sqrt{81}\cdot\sqrt{-1}=9i\\\\\sqrt{-25}=\sqrt{(25)(-1)}=\sqrt{25}\cdot\sqrt{-1}=5i\\\\4\sqrt{-81}+\sqrt{-25}=4(9i)+5i=36i+5i=41i

3 0
3 years ago
Explain why the function y=1-cosx is an even function
Oksanka [162]

A function is said to even if it returns the same output when given two opposite inputs:

f(x) = f(-x)

In your case, you have

f(x) = 1-\cos(x), \quad f(-x) = 1-\cos(-x)

And since \cos(x) = \cos(-x), the proof is concluded.

8 0
3 years ago
A rectangular carton has twice the height, one-
nekit [7.7K]
8:3 is the correct answer
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