Question

PLEASE ANSWER THE QUESTION PLEASE WITH EXPLANATION TO WIN 12 POINTS AND TO BE BRAINLIEST!!! FIND X​

Answer 1

Step-by-step explanation:

a) Sum of all angles = 360°

x = 360-60+80+90

x = 360-230

x = 130°

b) Sum of all angles = 360°

x = 360/5

x = 72°

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Answer 2

In the figure (a)

The sum of all interior angles of a quadrilateral is =360°

By angle sum property:-

90°+80°+60°+x=360°

230°+x=360°

x=130°

In figure (b):-

The sum of all interior angles of a pentagon = 540°

Since this is a regular pentagon all sides are equal...

Since it is a pentagon it has 5 sides So write :-

So 5x=540

x=108°

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