Question

1. the radius of a circle is: *

a. half the diameter
b. double the diameter
c. equal to circumference
d. twice the circumference

1. in an isosceles triangle, the angles opposite equal sides are: *

a. equal
b. unequal
c. right angles
d. supplementary

Explanation:

For question 7, by definition, the radius of a circle is half of its diameter. For question 8, in an isosceles triangle, the angles opposite the equal - sides are equal according to the isosceles - triangle theorem.

Answer:

1. A. Half the diameter
2. A. Equal