The sum of the three interior angles of a triangle is:
270°.
360°.
180°.
90°.
On the Cartesian plane, the line y = 0 is called the:
x-axis.
Origin.
Ordinate.
y-axis.
The line L: y = 2x - 20 cuts the x-axis at a point whose coordinates are:
(10, 0).
(0, -20).
(-10, 0).
(0, 10).
The circumference of a circle in terms of π, with radius 3cm is:
18π cm.
6π cm.
3π cm.
9π cm.
In a construction, PQ is a perpendicular bisector of RS at T. The value of the angle PTS is:
60°.
45°.
