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Core Mathematics

Core Mathematics · Quick practice · answer shown after each question

Angles, polygons and Pythagoras

Question 1 of 10

Question 1 of 10

The sides of a right triangle are x, x + 7 and x + 8. Find x.

Question 2 of 10

Question 2 of 10

Complementary angles add up to

Question 3 of 10

Question 3 of 10

Each interior angle of a regular polygon is 150°. How many sides does it have?

Question 4 of 10

Question 4 of 10

Co-interior (allied) angles between parallel lines add up to

Question 5 of 10

Question 5 of 10

Find the size of an angle whose supplement is four times the angle.

Question 6 of 10

Question 6 of 10

Vertically opposite angles are

Question 7 of 10

Question 7 of 10

The interior angle of a regular octagon is

Question 8 of 10

Question 8 of 10

A ladder 13 m long reaches 12 m up a wall. How far is its foot from the wall?

Question 9 of 10

Question 9 of 10

The angles of a hexagon are 2x, 2x, 3x, 3x, 4x and 4x. The largest angle is

Question 10 of 10

Question 10 of 10

Each exterior angle of a regular polygon is 24°. How many sides does it have?

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.