What is the area with a radius of 4?
16π square units
Given that radius of the circle is 4 units. So, the area of circle = πr2 = π(4)2 = 16π square units.
What is the area of circle of radius 4 cm?
So we have the radius value given as $4cm$. Therefore, the area of the circle whose radius is $4cm$ will be $50.28c{m^2}$.
What is a circle with a radius of 4?
Answer: The circumference of a circle with a radius of 4 is 8 π.
How do you draw a radius of 4 cm?
Draw a line segment 4 cm.
- ii. Take a point P outside the circle and draw a secant PAB, intersecting the circle at A and B.
- iii. Produce AP to C such that AP = CP.
- iv. Draw a semi-circle with CB as diameter.
- v. Draw PD perpendicular to CB, intersecting the semi-circle at D.
- vi.
- vii.
- viii.
How do you make a 4 cm radius circle?
What is the diameter of 4cm circle?
Therefore, diameter=8cm.
What is the radius of 4 feet?
4ft * 12 in / ft = 48 in. 2r = 48 in. r = 24 in.
What is the area of 6 radius?
Answer: The area of a circle with a diameter of 6 units is 28.27 sq.
What is the radius if you have a diameter of 4?
Use the diameter to find the radius by dividing the diameter by 2. For example, if the diameter is 4, the radius would be 2.
What is the circumference of a 4cm circle?
1 Answer. The circumference is 8πcm or 25.12cm .
How do you find the radius of a 4cm circle?
Explanation:
- Area=π×r2.
- Area=π×r2.
- =π×(4 cm)2.
- =16π cm2≈50.24 cm2.
How big is a 4 circle?
Circumferences and areas of circles with diameters in inches.
| Diameter (in) | Circumference (in) | Area (in2) |
|---|---|---|
| 4 1/8 | 12.96 | 13.36 |
| 4 3/16 | 13.16 | 13.77 |
| 4 1/4 | 13.35 | 14.19 |
| 4 5/16 | 13.55 | 14.61 |
What is the area of a circle with the radius of 5?
Summary: The area of a circle with a radius of 5 is 25π sq. units.
What’s the area of the radius is 7?
Therefore, the area of the circle having a radius of 7 cm is 154 cm2.