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The legs of an isosceles triangle have lengths x + 1 and -x + 7. The base has length 3x - 3. What is the length of the base?

Question 5 options:
A. 4
B. 3
C. 6
D. Cannot be determined

User Hamms
by
5.3k points

2 Answers

2 votes

Answer:

C.6

Explanation:

The legs of an isosceles triangle are equal therefore you can put it this way:

-x+7=x+1

Then just solve for x

7-1=2x

X= 3

Finally put in the x value to the equation of the base

3(3)-3 = 6

The base is 6

User Jisang Yoo
by
4.9k points
4 votes

Answer:6 units C)


Explanation:


The legs of an isosceles triangle have lengths x + 1 and -x + 7. The base has length-example-1
User Marinosb
by
5.8k points