Question

1. the diagonal of a rectangle divides it into: *

a. two squares
b. two right - angled triangles
c. two circles
d. two trapeziums

1. the midpoint of a circles diameter is called: *

a. circumference
b. center
c. radius
d. chord

Explanation:

1. A rectangle has four right - angles. When a diagonal is drawn, it divides the rectangle into two triangles with one angle being a right - angle.
2. By the definition of a circle, the mid - point of the diameter is the center of the circle.

Answer:

1. B. Two right - angled triangles
2. B. Center