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djyliett [7]
3 years ago
8

HELP PLEASE!!What method can you use to find the area of the composite figure. Check ALL that apply.

Mathematics
1 answer:
GenaCL600 [577]3 years ago
8 0

Answer:

C

Step-by-step explanation:

The reason we can use this method is because we are given a composite figure with a house shape with one triangle on top. We can use the guidance of the dotted lines to make out that a rectangle can be used to find the figure. We can see that apart from the figure, there are two congruent triangles. To find the area we would do -

First find the missing height of the smaller triangles. We would use the pythagorean theorem to find that the missing height is√5

We could do 8(4) = 32 to find the area of the rectangle.

Then, we could do 2√5/2 to find one missing triangle. We could then add the triangles to find the measures of the combined triangles as 2√5. Then, we could do 32 - 2√5 to find the area as 27.5.

Hope this helps :)

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A convex polygon has Choose...<br> sides when the interior angle sum is 1980º.
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Answer:

13 sides.

Step-by-step explanation:

(n - 2) = 1980 / 180 = 11.

n = 13

When the sum of the interior angles is 1980 degrees, the convex polygon will have 13 sides.

i hope this helps and is right! p.s. i really need brainliest :)

3 0
3 years ago
The spinner below is spun three times, find all possible outcomes. the spinner has 12 numbers
Simora [160]

For the spinner with 3 sectors, the total number of outcomes for 3 spins is 27.

<h3></h3><h3>What is the combination?</h3>

A combination is a mathematical technique that determines the number of possible arrangements.

Let's we have to define

A, B, and C, as the regions in the spinner.

So, we spin it 3 times, and for each of these times there are 3 outcomes, so the outcomes will be of the form:

The outcome of spin 1, the outcome of spin 2, outcome of spin 3.

The total number of  different outcomes will be:

3^3 = 27

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8 0
2 years ago
Help from 1-3 please!
Troyanec [42]
1. The line goes to the left because there was a fee.
2. You would plot the dot in between the 7 and 8 line.
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4 0
3 years ago
Write a problem involving how much more than a solve it. Explain how drawing a diagram helped you solve the problem
zheka24 [161]
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3 0
4 years ago
What is the slope of the line?
GaryK [48]

y+1=3(x-4)

Multiply the bracket by 3

y+1=3x-12

Follow y=mx+b Move +1 to the other side. Sign changes from +1 to -1

y+1-1=3x-12-1

y=3x-13

Slope=m = 3

b= y-intercept=-13

Answer: Slope=m=3- D.

3 0
3 years ago
Read 2 more answers
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