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Vlada [557]
4 years ago
15

What is the value of x?

Mathematics
1 answer:
Rufina [12.5K]4 years ago
6 0

Answer:

X=23

Step-by-step explanation:

You should know that a triangle =180 degrees

Add all your angles together and =180

66+2x+3+3x-4=180

add similar terms

5x+65=180

Move your 65 to the other side

5x=115

x=23

(Optional)

to check if your answer is right substitute your x and add all angles together you should get 180 degrees.

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6 0
3 years ago
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Mashcka [7]

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Rectangle A has length 12 and width 8. Rectangle B has length 15 and width 10. Rectangle C has length 30 and width 15.
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3 years ago
Follow the steps to simplify this expression.
PSYCHO15rus [73]

Answer:

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6 0
2 years ago
Read 2 more answers
Which is the correct classification for the triangle?
kondaur [170]
Acute means that has 3 angles less than 90 degrees

obtuse means at lesat 1 angle is more than 90 degrees

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s we solve for thierd angle
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subtract 80
x=100
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obtuse angle is answer
4 0
3 years ago
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