Chris C.

asked • 10/24/16

Word Problem

The length of the base of an isoceles  triangle is one half the length of one of its legs. If the perimeter of the triangle is 89 inches, what is the length of the base?
 
a. 33 3/5
 
b. 22 1/4
 
c. 17 4/5
 
d. 21 5/8
 

Tatiana L.

P = 2a+b
89=2a+b
89/2= a + b
44.5 = a + b 
 
The problem states that the base is 1/2 the length of one of it's legs. 
44.5/2=22.25 or 22 1/4
 
The correct answer is B.
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10/24/16

Tatiana L.

Please disregard this answer. B is not correct.
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10/24/16

Tatiana L.

The correct answer is C. 
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10/24/16

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