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Marina CMI [18]
3 years ago
14

Help me please!!!! I don’t get this

Mathematics
1 answer:
Jet001 [13]3 years ago
7 0
BCD should have to equal 24 degrees because angles ACB and BCD look Complimentary and a complimentary is 2 angles that equal 90 degrees when combined since ACB and BCD look like a 90 degree angle I would say that BCD is 24 degrees
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Chase is building a birdhouse in the shape of a regular polygon. He knows that the measure of the interior angle is twice the me
mel-nik [20]

Answer:

The perimeter of the base of the birdhouse is 36 units

Step-by-step explanation:

<u><em>The complete question is</em></u>

Chase is building a birdhouse in the shape of a regular polygon. He knows that the measure of the interior angle is twice the measure of the exterior angle and the length of a diagonal that passes through the center is 12. What is the perimeter of the base of the birdhouse?

step 1

Find the measure of the interior angle

Let

x ---> the measure of the interior angle

y ---> the measure of the exterior angle

Remember that

the sum of the interior and exterior angle in any polygon is equal to 180 degrees

so

x+y=180^o ----> equation A

we have that

the measure of the interior angle is twice the measure of the exterior angle

so

x=2y ----> equation B

substitute equation B in equation A

2y+y=180

y=60^o

so

x=120^o

That means-----> The figure is a regular hexagon

step 2

Remember that

The length of the diagonal that passes through the center of the hexagon is equal to two times the length of the regular hexagon

Let

b ----> the length side of the hexagon

so

b=12/2=6\ units

The perimeter of the hexagon is given by the formula

P=6b

substitute

P=6(6)=36\ units

3 0
3 years ago
Madeline solved this problem: A basketball player made 10 shots and scored 26 points. She made only two-point and three-point sh
ankoles [38]

Answer:

six is 3 pointers 4 is the 2 pointers

Step-by-step explanation:

3 0
3 years ago
What is the product of (y+3)(y^2- 3y+9)
makvit [3.9K]

Answer:

y^3+27

Step-by-step explanation:

(y+3)(y^2-3y+9)\\

*use box method

3 0
3 years ago
I need help. due today
just olya [345]
X = 19.

Explanation:

This expression is vertical from the angle 135, meaning it is congruent. With that being said, we would need to find what 7 multiplies by to give us 2 less than 135, which would be 133. Because 133 divided by 7 equals 19, x = 19. If we plug this in, we get the following equation: 7(19) + 2 = 135.
6 0
2 years ago
Read 2 more answers
I don’t understand this.
alexira [117]
I’ll solve number 3.

You need to group the like terms. For example, -4n + 6n = 2n

8=2n

Now, we need to keep n by itself.
2n/2 = n

Whatever you do to one side, you need to do to the other.

8/2 = 4

So, in conclusion, n = 4.

I hope this helps for you to solve the rest!
8 0
3 years ago
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