Use the Law of detachment to draw a conclusion
1. If a figures 's a rectangle, then it has four right angles.
Figure PQRS is a rectangle.
2. If a quadrilateral is a trapezoid, then it has exactly one pair of parallel sides.
Quadrilateral ABCD is a trapezoid.
3. If a convex polygon is a pentagon, then the sum of the measures of its interior angles is 540°. Figure ABCDE is a pentagon.
4. If an angle is acute, then its measure is greater than 0° but less than 90°.
5. If two angles are congruent, then their measures are equal.
