   Chapter 6.CT, Problem 3CT 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

a) If m ∠ B A C = 24 ° , then m B C ⌢ = _____________.b) If A B ⌢ ≅ A C ⌢ , then Δ A B C is a(n)___________ triangle. To determine

(a)

To find:

The measure of mBOC

Explanation

Given:

mBAC=24°

Approach:

1) In a circle the measure of an arc is twice the measure of the interior angle that intercepts the arc.

2) In a circle if two arcs are congruent, then the chord that intercepts the arcs are congruent.

Calculation:

Consider the given circle,

mBAC=24°.

BC is the arc that intercept the interior angle

To determine

(b)

To find:

The measure of mBAC

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