Angles — Quiz 1

Questions in this quiz (6)

1. Which of the following statements must be true? I. w = y II. x = z III. w + x = 180

   • I
   • I and II
   • II and III
   • I, II, and III

2. If angle X and angle Y are complementary angles and the measure of angle Y is 47 degrees, what is the measure of angle X?

   • 133
   • 313
   • 53
   • 43

3. If angle $$m$$ and angle $$n$$ are supplementary, and angle $$n$$ and angle $$p$$ are complementary, then which of the following must be true?

   • $$m + n + p = 270$$
   • $$m + n = 90$$
   • $$m - p = 90$$
   • $$m + p = 180$$

4. How many radians are in 5 right angles?

   • $$\frac{\pi}{2}$$
   • $$\frac{2.5\pi}{2}$$
   • $$\frac{10\pi}{2}$$
   • $$\frac{5\pi}{2}$$

5. Find the measure of the angle that the minute hand of an accurate clock rotates in 15 minutes.

   • $$60^\circ$$
   • $$45^\circ$$
   • $$90^\circ$$
   • $$180^\circ$$

6. In triangle $$ABC$$, angle $$A = 2x$$, angle $$B = x + 20$$, and angle $$C = 70°$$. Find $$x$$.

   • 30
   • 70
   • 60
   • 50