4 years ago

Which ratio is equivalent to 4 : 13? A.8 : 17 B.16 : 52 C.12 : 33 D.20 : 55

Mathematics

2 answers:

-BARSIC- [3]4 years ago

6 0

16: 52
Because you can multiply 4 by 4 to give 16 and 13 by 4 to give 52

Natalka [10]4 years ago

4 0

Your answer would be option B

Because multiplied by 4 the ratio would be 16:52

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Sandra is trying to make a flag out of fabric for her fashion class she wants two of the angles to be 32 degrees and 64 degrees

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This problem relies on the knowledge of the sum of the angles inside a triangle.

Consider the diagram below. It shows the same triangle cloned three times and joined together. Notice that the three angles A, B, and C form a straight line at the center. It is a given fact that a straight line measures 180°. Therefore, all angles inside a triangle must add up to 180°.

In the problem, we already know the two angles. We just need to subtract these angles to 180° to get the third angle.

$180-32-64=84$

ANSWER: The third angle needs to be 84°.