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2 years ago

If x=47° find the measures of angles 1, 2, 3

Mathematics

2 answers:

Gelneren [198K]2 years ago

8 0

Since angles x and 2 are vertical angles, they are congruent, Therefore, angle 2 is also 47°

We know that angles x and 1 are supplementary (add to 180) because they are adjacent angles along a straight line. We we can write the equation:
180=47+x
x=133 (subtract 47 from both sides)
So angle 1 is 133°

Then since angles 1 and 3 are also supplementary, angle 3 is also 133°

Hope this helps

nydimaria [60]2 years ago

5 0

2 = 47 degrees

1 = 133 degrees

3 = 133 degrees

2 is opposite of x, so the angles are equal. Angle 2 is 47 degrees

A straight line is 180 degrees. Subtract 47 from 180 to get 133. Therefore, Angle 1 is 133 degrees. Because Angle 3 is opposite of Angle 1, it has the same angle as Angle 1. So Angle 3 is 133 degrees.

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3 years ago

Write an inequality to match each description. Use n for the variable.

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${\huge {\mathfrak {Answer :-}}}$

Let, the length be l and breadth be b.

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Or, l + b = 13

Or, l = 13 - b

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Or, l (13 - l) > 30

Or, 13l - l^2 > 30

Or, l^2 - 13l + 30 > 0

Or, l^2 - 3l - 10l + 30 > 0

Or, l(l - 3) - 10(l - 3) > 0

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Or, l - 7 > 0

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3 years ago

Read 2 more answers