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Chapter 10: Q.2 (page 538)

The perimeter of an equilateral triangle is 42 meters. Find the length of each side.

Short Answer

Expert verified

The length of each side of the triangle is 14 meters each.

Step by step solution

01

Step 1. Given Information.

The perimeter of the triangle is 42 meters.

02

Step 2. Calculation.

The perimeter of the triangle is 42 meters and since all the three sides of the triangle are equal, Let the length of the side be as x.

x+x+x=42

Add all x together.

3x=42

Now, divide both sides by 3.

3x3=423

This will give,

role="math" x=14

03

Step 3. Conclusion.

Since, it is an equilateral triangle, all the three sides of the triangle are same hence, the length of each side is 14 meters.

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Most popular questions from this chapter

Preparing for success: To prepare for success in this chapter, test your knowledge of these concepts and skills. You may want to look at the pages referred to in blue for additional review.

1. Vocabulary: Draw a right triangle. Label the hypotenuse and legs.

Describe and correct the error in solving the following problem.

A quadrilateral has 4 congruent sides, and the opposite sides of the quadrilateral are parallel. Sketch and classify the quadrilateral.

The ratio of the angles of a triangle is6:5:4. Find the angle measures. Then classify the triangle by its angle measures.

Find the unknown base or height of the parallelogram.

A=40in.2,b=25in.,h=?¯

Find the area of the trapezoid.
See all solutions

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