## 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.