Answer the following statement(s) true (T) or false (F)

Question

1. Any angle inscribed in a semicircle must be a right angle.

2. If the central angle of a sector with radius 10" measures 60°, then the area of the sector is 5/3? square inches.

3. The measure of an inscribed angle, ?A, in a circle is twice the measure of a second inscribed

angle, ?B, in the same circle. Then the arc intercepted by ?A is twice as long as the arc intercepted by ?B.

4. If P is the midpoint of chord AB in circle O, then ?OPB = 90°.

5. If two chords in circle O, MN and XY, intersect at P then ?MPX =

Answer 1

1. True
2. False—A better choice might be Use a Variable.
3. True
4. True
5. False—The Look for a Pattern strategy is probably best.