Polygons - Jamb Mathematics Past Questions and Answers

Question 31:

• JAMB 1993

PQRST is a regular pentagon and PQVU is a rectangle with U and V lying on TS and SR respectively as shown in the diagram. Calculate TUP

A. 18^o
B. 54^o
C. 90^o
D. 108^o

Question 32:

• JAMB 1997

Each of the base angles of a isosceles triangle is 58° and the verticles of the triangle lie on a circle. Determine the angle which the base of the triangle subtends at the centre of the circle.

A. 128^o
B. 16^o
C. 64^o
D. 58^o

Question 33:

• JAMB 2000

In a regular polygon, each interior angle doubles its corresponding exterior angle. Find the number of sides of the polygon.

A. 8
B. 6
C. 4
D. 3

Question 34:

• JAMB 2001

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

A. 6
B. 2
C. 3
D. 8

Question 35:

• JAMB 2001

Find the value of \(\theta\) in the diagram

A. 60^o
B. 100^o
C. 120^o
D. 30^o