Find the number of sides of a regular polygon whose each exterior angles has a measure of 60^{o}.

(A)

8

(B)

7

(C)

6

(D)

5

Question-4

Sum of exterior angles of a heptagon is.

(A)

180^{o}

(B)

270^{o}

(C)

360^{o}

(D)

540^{o}

Question-5

A polygon with 7 sides are called.

(A)

Hexagon

(B)

Heptagon

(C)

Octagon

(D)

Decagon

Question-6

The value of x in the given figure is.

(A)

60^{o}

(B)

80^{o}

(C)

90^{o}

(D)

100^{o}

Question-7

Number of side of a Decagon is.

(A)

7

(B)

8

(C)

9

(D)

10

Question-8

If all sides of a triangle are equal then it is called a _____ triangle.

(A) Isosceless

(B)Equilateral

(C)Scalene

(D)None

Question-9

In a polygon, if these exist even one line, which when joining two points of a polygon, does not lie inside the polygon completely, then that polygon is a

(A)

Convex polygon

(B)

Concave polygon

(C)

Irregular polygon

(D)

None of these

Question-10

Sum of angles of a Hexagon is.

(A)

180^{o}

(B)

360^{o}

(C)

90^{o}

(D)

270^{o}

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