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Likurg_2 [28]
2 years ago
5

Find the area. HELP PLEASE!!!!!!​

Mathematics
2 answers:
Andreyy892 years ago
8 0

Answer:

Step-by-step explanation:

Givens

h = 14

b1 = 34

b2  = 45

Formula

A = (b1 + b2)*h /2                   Substitute into the formula

Solution

A = (34 + 45)*14/2                 Combine the brackets

A = (79) * 14/2                       Do the division

A = 79 * 7

Area = 553  cm^2

kaheart [24]2 years ago
3 0

Answer:

616

Step-by-step explanation:

The equation to find the area of a trapezoid is:  A = ½ (b^1+b²) h.

b1=43

b2=45

h=14

Plug the variables in and solve.

A=\frac{1}{2} (43+45)14

A=\frac{1}{2} (88)14

A=\frac{1}{2} (1232)

A=616

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Answer:

<em>n</em> - <em>k</em> + 1

Step-by-step explanation:

This is assuming (because you did not say) that <em>n</em> and <em>k</em> are integers and <em>n</em> is greater than <em>k</em>.

Example: from 2 to 5 {2, 3, 4, 5} includes 5 - 2 + 1 = 4 numbers.

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2 years ago
Alexa used her compass to evenly divide the circumference of the circle below.
jok3333 [9.3K]

Answer:

  • triangle
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Step-by-step explanation:

The 12 points marked can be divided into this many equal-size groups:

  3, 4, 6, 12

so the figures that can be constructed are ...

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12 is also divisible by 1 and 2, but the minimum number of vertices in a regular polygon is 3.

3 0
3 years ago
Consider the triangle.<br> 45°<br> 80°<br> Find the measure of the unknown third angle.
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Answer:

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Step-by-step explanation:

Let the unknown angle be x

As the interior angles in a triangle are added up to 180°

x + 45 + 80 = 180 \\ x + 125 = 180 \\ x = 180 - 125 \\ x = 55 \degree

Hope this helps you.

Let me know if you have any other questions:-)

6 0
3 years ago
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3 years ago
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