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Lynna [10]
3 years ago
15

4. If two straight lines intersect and one angle is 30°, what are the other three angles?

Mathematics
2 answers:
Ratling [72]3 years ago
6 0
The answer is C. 

this is because one other angle will be equal to the first angle of 30°

The other two are equal to \frac{360- (30 +30)}{2} =150°
Sedbober [7]3 years ago
3 0
The answer is B. It's B because a straight line has a degree of 180, if you have 2, then of course it becomes 360. In B, you have 90, 90, and 150. If one of the angles is 30, you add that onto 150 to get 180 and add 90 and 90 together to get 180. Naturally, add those two answers together to get 360.

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3 years ago
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8 0
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If the perimeter of equilateral triangle is 77 and the equation showing the perimeter is 6.5X-1 then the value of X is equal to 12.

Given that the perimeter of equilateral triangle is 77 and the expression showing the perimeter is 6.5X-1.

We are required to find the value of X which is used in the expression.

Expression is combination of numbers, fraction, coefficients, indeterminants, determinants, which are mostly not found in equal to form.

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