13.a: Triangle ADEF is *equilateral* with DE = 3x + 6, EF = 36 - 3x and FD = 12x-39. What is the value of x? * O 3 5 6 O 12

asked Nov 4, 2021 38.4k views

5 votes

13.a: Triangle ADEF is *equilateral* with DE = 3x + 6, EF = 36 - 3x and FD =

12x-39. What is the value of x? *
O 3
5
6
O 12

7.7k points

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2 votes

Answer:

Explanation:

3x + 6 = 36 - 3x

6x = 30

x = 5

Fantini answered Nov 10, 2021