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Anuta_ua [19.1K]
3 years ago
7

X

Mathematics
1 answer:
Kazeer [188]3 years ago
6 0
Step by step by its the thirds pne
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Gabriel wants to paint the model. How
enyata [817]

Answer:

<h2>The area of the base is 144 square inches.</h2><h2>The area of each triangular face is 66 square inches.</h2><h2>Grabiel needs 408 square inches of paint.</h2>

Step-by-step explanation:

The complete problem is attached.

Notice that the figure is a square pyramid, where its base dimensions are 12 inches by 12 inches, which represents an area of

B=12 \times 12 = 144 \ in^{2}

The slant height of the pyramid is 11 inches, which allow us to find the area of each triangle face

A=\frac{1}{2}bh =\frac{1}{2}(12)(11)= 66 \ in^{2}

But there are four triangle faces, so A_{faces} =4(66)=264 \ in^{2}.

Therefore, the area of each triangular face is 66 square inches.

So, the total surface area would be the sum

S=144+264=408 \ in^{2}

Therefore, Gabriel needs 408 square inches to paint the whole model.

4 0
3 years ago
How do you evaluate 11 c 5
swat32
You have 11 items and you need to choose 5 of the 11.
There are 462 ways to choose them.
The formula is :
11! / (5!6!)
n!/(r!(n-r)!)
6 0
3 years ago
Which of these is an example of acceleration? a bicyclist turning around a corner a car parked in a driveway a bus traveling nor
zepelin [54]

Answer:

a bicyclist turning around a corner

Step-by-step explanation:

I got it right on edge

3 0
2 years ago
Read 2 more answers
A soccer game is 90 minutes long. 36 minutes have passed. What percentage of the game has passed?​
Alex Ar [27]

Answer:

40%

Step-by-step explanation:

Percentage Passed = 36 ÷ 90 × 100 = 40%

6 0
3 years ago
One of two supplementary angles is five times the other. Find the measure of each angle
Mama L [17]

Answer:

Step-by-step explanation:

supplementary angles add up to 180

so let one angle be x.....and the other angle is 5 times bigger....so let the second angle be 5x

x + 5x = 180

6x = 180

x = 180/6

x = 30

5x = 5(30) = 150

so one angle is 30 and the other angle is 150

5 0
3 years ago
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