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AlladinOne [14]
3 years ago
9

Will give brainliest A ? B? C ?

Mathematics
2 answers:
dolphi86 [110]3 years ago
5 0

Answer:

A: 180°         B: 360°         C: 540°

Step-by-step explanation:

A: The measures of interior angles of a triangle sum to 180°. Since figure ABC is a triangle, the interior angles of figure ABC sum to 180°.

B: We can see the quadrilateral ACDE is a trapezoid. If you can see, the trapezoid can be split into two triangles if you connect points C and E. As U mentioned before, the measures of interior angles of a triangle sum to 180°. Since we know figure ACDE can be split into <u>two triangles</u> we have to do: 180x2 which is 360°.

C: Now that we know the Pentagon ABCDE can be split into 3 triangles(1 from figure ABC and 2 from figure ACDE), we have to multiply 180 by 3 because like I mentioned before, the measures of interior angles of a triangle sum to 180°. So, 180x3=540°.

zhannawk [14.2K]3 years ago
5 0

Answer:

A) 180

B) 360

C) 540

Step-by-step explanation:

A) All interior angles added together in a triangle are 180°.

B) All quadrilaterals' are 360°.

Think of it as drawing a diagonal to split the quadrilateral equally. You have two triangles, so:

180 + 180 = 360°

C) To find the sum of the interior angles of any polygon, use:

180 (n - 2)

Where n = number of sides. In a pentagon, there are 5:

180 (5 - 2)

180 (3)

540°

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Answer:

b = 24

Step-by-step explanation:

<u>Concepts</u>

The Pythagorean Theorem states that the sum of the squares of the two other sides on a right triangle is equal to hypotenuse (longest side) squared. It can be represented by the equation a^2+b^2=c^2. We can also use this formula to solve for the other two legs in the right triangle.

<u>Application</u>

In this case, we're asked to find the length of b in the right triangle, given c as 26 and a as 10. Now, we just apply the formula and solve for b.

<u>Solution</u>

Step 1: Set up equation and simplify.

  • 10^2+b^2=26^2
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Step 2: Subtract 100 from both sides.

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Step 3: Take square root of both sides.

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Therefore, b = 24.

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2 years ago
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3 years ago
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Answer:

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Step-by-step explanation:

I think this would be correct? haha

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