   Chapter 8.1, Problem 11E Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Solutions

Chapter
Section Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

In Exercises 9 to 18, find the areas of the figures shown or described.A 45 − 45 − 90 triangle has a leg measuring 6 m.

To determine

To find:

The area of a 454590 triangle that has a leg measuring 6m.

Explanation

1) Formula:

The area of right triangle is given by,

A=12ab square units.

Where a and b are lengths of the legs of the right triangle.

2) Calculation:

A 454590 triangle is known as an isosceles right triangle where two legs are congruent to one another and the non-right angles are both equal to 45 degrees.

It is given, a 454590 triangle has a leg measuring 6m.

Then, the other leg also measures 6m.

(i.e.) a=6mand b=6m.

Area of a right triangle =12ab square units

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