Question

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Chapter - polygons

Answer 1

we know that the total sum of angle in hexagon and pentagon is 720 degree and 540 degree.

therefore each angle of hexagon and pentagon should be 720÷6 and 540÷ 5.

therefore each angle in hexagon is of 120 degree and in pentagon is 108 degree.

and in photo we can see that anglePQR is made up from one angle of hexagon and one angle of pentagon.

therefore angle PQR = 120 degree + 108 degree

therefore angle PQR= 228 degree

Answer 2

Answer:

EACH ANGLE OF HEXAGON= 720/6= 120

EACH ANGLE OF PENTAGON= 540/5= 108

THAT MEANS THE ANGLE OF ONE SIDE OF HEXAGON AND PENTAGON UNDER ANGLE Q = 120 AND 108

120+108+x = 360. ( COMPLETE ANGLE)

X= 360-228

X = 132°

HERE X = ANGLE PQR...

HOPE IT HELPS.....

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