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Naily [24]
1 year ago
9

I need help !! I don’t understand this one

Mathematics
1 answer:
Tasya [4]1 year ago
5 0

Answer:

I think it's the 3rd one

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Will GIVE BRAINLIEST IF CORRECT<br> The diagram shows a convex polygon.<br> Find the value of a.
katen-ka-za [31]

Answer:

The value of a is 15.

Step-by-step explanation:

First, you have to find the total interior angles of the polygon using the formula, sum = (n-2)×180°, where n represents the number of sides :

sum = (n-2)×180°

sum = (5-2)×180°

sum = 540°

Given that the sum of the interior angle is 540° so in order to find the value of a, you have to add up all the angles in terms of a :

3a + 150 + 8a + 6a + 9a = 540

26a + 150 = 540

26a = 390

a = 390 ÷ 26

a = 15

3 0
2 years ago
1- 1/4 + 2/5= please help
zlopas [31]

Answer:

1.15:)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Amy wants to carpet a room that is 12 feet by 8 feet.
zavuch27 [327]
12 x 8 = 96. Lack of information so I’m not sure if there’s more to the problem
8 0
3 years ago
Read 2 more answers
Which of these points, if any, is the midpoint of FJ?
ivanzaharov [21]

The mid-point of FJ is the number right in the middle of FJ. Find the mean of F & J. Add regardless of sign

4 + 6 = 10

10/2 = 5

Add 5 to -4

5 + -4 = 1

H is your midpoint

True. As long as AB and BC are on the same line, AB + BC = AC

hope this helps

4 0
3 years ago
What is the surface area of each triangular prism?
SOVA2 [1]

the surface area of the above triangular prism is 156 square inches.

Step-by-step explanation:

multiply the sum of the triangle sides by the height of the prism and add the values together for the answer, remembering to include the correct unit of measurement.

8 0
3 years ago
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