Lines, angles and polygons 2

Find the value of x.

The figure shows a kite enclosed in a rectangle.

Find t - s.

Find each interior angle of a regular octagon.

Calculate the sum of the interior angles of a 15-sided polygon.

Find the number of sides of a polygon if the sum of its interior angles is 2700⁰.

Find the number of sides of a regular polygon whose exterior angle is 24⁰.

MN is a straight line.

Which of the lines PQ and RS are not parallel?

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• 
• 
• 

PQR is a triangle and QRS is a straight line.

Thus, x =

• 45

• 55

• 60

• 65

PQR is a straight line.

The value of x is

• 34

• 48

• 49

• 73

In the diagram, PQ, RS, TU and VW are straight lines.

Which of the angles A, B, C or D is equal to x?

• A

• B

• C

• D