A hexagon has five angles that measure 140° each. What is the measure of the sixth angle?

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A hexagon has five angles that measure 140° each. What is the measure of the sixth angle?

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Answer 1 · 2018-03-10T16:51:30

$20^{o}$ $20^o$

Explanation:

The answer is $20^{o}$ $20^o$ because:

Total sum of interior angle: $720^{o}$ $720^o$
Each angle measures: $140^{o}$ $140^o$
6 side: ?

5 sides:

$140 \cdot 5 = 700$ $140*5=700" "$ or $140 + 140 + 140 + 140 + 140 = 700$ $" "140+140+140+140+140=700$

We will add up all the sides to get the total of all the 5 sides.

6 side: $720 - 700 = 20$ $720-700=20$

We will now subtract the total of all the 5 sides, which is $700^{o}$ $700^o$ , from the total angle of the hexagon, which is $720^{o}$ $720^o$ , to get the 6th side.

Hope that this had helped you a lot please let me know it in the comment section below. Have a great day.

Answer 2 · 2018-03-10T17:09:13

20

Explanation:

Sum of internal angles in a hexagon is 720
Five angles is 140x5=700
Remaining angle is 720-700=20

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A hexagon has five angles that measure 140° each. What is the measure of the sixth angle?

2 Answers

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