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just olya [345]
3 years ago
13

Find the measure of angle 6 Measure of angle 7=2x+15 measure of angle 8=3x

Mathematics
2 answers:
Ilya [14]3 years ago
7 0

Answer:

-20

Step-by-step explanation:

dedylja [7]3 years ago
4 0
7=2x + 15 2x= -8 x= -4 

<span>8= 3x 8= 3x+0 3x +-8 3(-4) +-8 -12 - 8 </span>

<span>Final Answer -20</span>
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The total area of the polygon is 176 square feet. Find the value of x.
My name is Ann [436]

Answer:

x = 6 ft

Step-by-step explanation:

Total area of the given polygon = Area of triangle 1 + Area of rectangle 2 + Area of triangle 3

Area of triangle 1 = Area of triangle 3 = \frac{1}{2}(\text{Base})(\text{Height})

                                                              = \frac{1}{2}(x)(8)

                                                              = 4x square feet

Area of rectangle 2 = Length × Width

                                 = 16 × 8

                                 = 128 square feet

Total area of the given polygon = 4x + 128 + 4x

176 = 8x + 128

8x = 176 - 128

x = \frac{48}{8}

x = 6 ft

5 0
3 years ago
Read 2 more answers
Given only the information in the diagram, determine if m is parallel to n. If so, name the postulate or theorem used to support
Advocard [28]

Answer:

<em><u>From my research on the internet, the image attached supports this problem. The two lines are parallel, as supported by the converse of corresponding angles postulate. It states that: If a transversal intersects two lines and the corresponding angles are congruent, then the lines are parallel.</u></em>





8 0
3 years ago
15. Complete the indirect proof.
blondinia [14]
I know 17. The formula for INTERIOR angles is 180(n-2) divided by n. therefore 180(6-2) / 6 = 180 x 4 / 6 = 720 / 6 = 120.

and EXTERIOR angles is 360 divided by n, therefore 360/6 = 60.
3 0
3 years ago
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puteri [66]
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7 0
3 years ago
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