Question

8. Two angles of a
quadrilateral are of
80° each. The other
two angles are also
equal. What is the
measure of either of
these two angles ?​

Answer 1

Answer:

100 degrees

Step-by-step explanation:

The Angle sum of a quadrilateral is 360 degrees.

80+80=160

360-160=200

Let the 2 unknown equal Angles be x.

2x=200

x= 200 ÷2=100

Thus, 100.

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Answer 2

Answer:

100 ° each

Step-by-step explanation:

Given two angles are 80 ° each

And as we know that sum of all the four angles of quadrilateral = 360°

so, let the either one angle is equal to x°

so by adding

360° = 80° +80°+ x° + x°

360° = 160° +2x°

200° = 2x°

100° = x°

So the other two angles are 100° each.