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Troyanec [42]
2 years ago
8

Find the measure of angle x in the figure.

Mathematics
1 answer:
NikAS [45]2 years ago
6 0

Answer:

8

Step-by-step explanation:

We know that angles in a triangle add up to 180, so:

5x-60+2x+40+3x-80=180

Simplify

10x-100=180

Solve

<em>Subtract </em><em>100 </em><em>from </em><em>both </em>sides

10x=80

<em>Divide</em><em> </em><em>8</em><em>0</em><em> </em><em>by </em><em>1</em><em>0</em><em> </em><em>to </em><em>find </em><em>x</em>

x=8

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4 0
3 years ago
Can someone help answer this question Ive tried a lot and couldnt do it.
aleksklad [387]

Answer:

1222

Step-by-step explanation:

You have a triangular prism on top of a rectangular prism.  The surface area is the sum of the areas of the exposed faces.

Starting with the triangular prism, the surface area is the area of the two triangular bases plus the area of the two rectangular sides (the bottom rectangular face is ignored).

A = ½ (10) (12) + ½ (10) (12) + (13) (9) + (13) (9)

A = 60 + 60 + 117 + 117

A = 354

The surface area of the rectangular prism is the area of the two rectangular bases (front and back), plus the two walls (left and right), plus the bottom, plus the top (minus the intersection with the top prism).

A = (19) (11) + (19) (11) + (9) (11) + (9) (11) + (19) (9) + (19) (9) − (10) (9)

A = 209 + 209 + 99 + 99 + 171 + 171 − 90

A = 868

So the total surface area is:

354 + 868

1222

5 0
2 years ago
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3 years ago
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Answer:

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Step-by-step explanation:

4 0
3 years ago
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Find x and y…………….????????
emmasim [6.3K]

Answer:

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Step-by-step explanation:

hope this will help you

8 0
2 years ago
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