Yes it does determine a plane
Answer:
Step-by-step explanation:
Answer:
C and D
Step-by-step explanation:
1
The arc length is calculated as
arc = circumference of circle × fraction of circle
= 2πr ×
= 2π × 10 × = = cm → C
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2
The area (A) of a sector is calculated as
A = area of circle × fraction of circle
= πr² ×
= π × 10² × = = cm² → D
Answer:
5/8
Step-by-step explanation:
12+30+20+10 +8 =80 total marbles
12+30+8=50 red blue and black
50/80
5/8