# Piece of a wire

Piece of wire is bent into the shape of a triangle. Two sides have length 24 inches and 21 inches.

The angle between these two sides is 55°. What is the length of the third side to the nearest hundredth of an inch?

A: The length of third side is approximately ____ inches.

The angle between these two sides is 55°. What is the length of the third side to the nearest hundredth of an inch?

A: The length of third side is approximately ____ inches.

### Correct answer:

Tips for related online calculators

The Pythagorean theorem is the base for the right triangle calculator.

Do you want to convert time units like minutes to seconds?

Cosine rule uses trigonometric SAS triangle calculator.

See also our trigonometric triangle calculator.

Try conversion angle units angle degrees, minutes, seconds, radians, grads.

Do you want to convert time units like minutes to seconds?

Cosine rule uses trigonometric SAS triangle calculator.

See also our trigonometric triangle calculator.

Try conversion angle units angle degrees, minutes, seconds, radians, grads.

#### You need to know the following knowledge to solve this word math problem:

**arithmetic**- square root
**planimetrics**- Pythagorean theorem
- triangle
- The Law of Cosines
**goniometry and trigonometry**- cosine

#### Units of physical quantities:

#### Grade of the word problem:

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