Mathematical Reasoning第 66 / 120 题
Two angles are complementary. If one measures 35°, what is the other?
a.45°
b.55°
c.65°
d.145°
解析
Complementary angles add up to 90°, so the other angle is 90 − 35 = 55°. Complementary differs from supplementary, which sums to 180°. The missing angle is 55 degrees.
免费刷完整 120 道题库 — 无需注册。
同考点相关题目
- What is the median of the data set 7, 3, 9, 5, 11?
- If a triangle has angles measuring 40° and 75°, what is the third angle?
- Expand the expression 4(2x + 3).
- A worker earns $18 per hour and works 35 hours in a week. What are the weekly earnings?
- What is the square root of 144?
- A number increased by 20% becomes 60. What was the original number?