Question

1. a chord that passes through the center of a circle is called: *

a. radius
b. tangent
c. diameter
d. secant

1. which of the following triangles has no equal sides? *

a. equilateral
b. isosceles
c. scalene
d. right - angled

Explanation:

For question 9, a chord is a line - segment joining two points on a circle. When it passes through the center, it is the diameter. For question 10, an equilateral triangle has all sides equal, an isosceles triangle has two sides equal, a scalene triangle has no equal sides, and a right - angled triangle is defined by its angle, not side lengths.

Answer:

1. C. Diameter
2. C. Scalene