Question

Four elements A,B,C, & D required to produce a drug for ebola virus treatment are to be mixed in a ratio 1:2:4:5 if this information is to be represented on a pie chart, what angle will element C represent on the pie chart?

Answer 1

120 DECRESS



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Answer 2

120°

Explanation:

Add

1 + 2 + 4 + 5 = 12

A full circle has a central angle of 360°.

Here, 12 parts represent the 360°.

360°/12 = 30°

Each part is 30°.

Since C is 4 parts, and 4 × 30° = 120°, then element C is 120°.