3420°
explanation:
the equation of the sum of interior angles are (n-2)x180
polygon above has 21 sides so you sub n as 21 and plug the equation in the calculator
Answer:
The grinding of the material
Step-by-step explanation:
Ratio of men : women = 3 : 5
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<u>Find total parts:</u>
3 + 5 = 8
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<u>Find 1 part:</u>
5 parts = 140
1 part = 140 ÷ 5 = 28
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<u>Find 8 parts (total):</u>
8 parts = 28 x 8 = 224
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Answer: There are 224 employees
