Angles are 18° and 72°
Step-by-step explanation:
x + 4x = 90° (∵ they are complementary)
5x = 90
∴ x = 90/5 = 18
⇒ Angles are 18° and 4x = 72°
Answer:
1. 21
2. 896
3. 20.9
Use BODMAS/BIDMAS to solve.
7