At θ = 90°, the equation must evaluate to zero. The only one that does that is the 1st choice ...
r = 2 - 2sin(θ)
r = 2 - 2sin(θ)
What is x2+2x-8=0 by factoring ?
1 answer:
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Answer:
1. B) Figure B.
2. C) Figure C.
3. D) Figure D.
4. C) Figure C.
Step-by-step explanation:
Given: Radius of Circle A= 4
Radius of Circle B= 5
Radius of circle C= 6
Radius of circle D= 7
Now, finding circumference and area of all the circle.
We know, circumference of circle=
Area of circle=
Where, r= radius of circle and π = 3.14
First, solving for figure A
Circumference=
Area=
Solving for Figure B
Circumference=
Area=
Solving for Figure C
Circumference=
Area=
Solving for Figure D
Circumference=
Area=
∴ 1. Answer is Figure B.
2. Answer is figure C.
3. Answer is Figure D
4. Answer is Figure C.