Answer:
50° and 130°
Step-by-step explanation:
∠1 is a chord- chord angles and is calculated as
∠1 = 0.5( arc RQ + arc ST) = 0.5(53 + 47)° = 50°
∠1 and ∠2 form a straight angle and are supplementary, hence
∠2 = 180° - 50° = 130°
Answer:
108π
Step-by-step explanation:
1/3 × 9 × π × (6²)
1/3 × 9π6²
(1 × 9π6²) / 3
(6² × 9π) / 3
6² × 3π
36 × 3π
108π
Answer:
d
Step-by-step explanation:
Answer:
1) -128
2) 6875/64 = 107.42
3) perfect square means the square root gives a whole number.
4) it is, it gives 9
5) 300,000,000
6) a) 6 b) 71
7) 25