Answer:
6.5
Step-by-step explanation:
The answers is a because the radius must be 5
Answer:
420mg
Step-by-step explanation:
0.7x6 = 0.42g which is 420mg
1g = 1000mg
Answer:
∠ 1 = 120°
Step-by-step explanation:
Note that ∠ Q and ∠ R are congruent, that is both 30°, thus
∠ 1 = 180° - (30 + 30)° = 180° - 60° = 120°