10.1

Question 1

Height of a triangle

Answer 1

The height of a triangle depends on which side you select as the base.

Question 2

height of a parallelogram

Answer 2

The measure of a height of a parallelogram is the distance between opposite sides of the parallelogram.

Question 3

base of a parallelogram

Answer 3

A base of a parallelogram is defined to be any one of the sides of the parallelogram.

Question 4

altitude of a parallelogram

Answer 4

is the perpendicular distance from the base to the opposite side (which may have to be extended).

Question 5

base of a triangle

Answer 5

In the case of a triangle, a common way to calculate its area is ‘half of base times height’ where the ‘height’ is the altitude, or the perpendicular distance from the base to the opposite vertex.