which of the following are possible measures for the sides of the triangle? A. 2,2,4 B. 5,6,7 C. 1,3,5 or D. all of these. in triangle DEF, DE=10, EF= 9, and DF=18. the largest angle is A. d B. e or C. f find the value of 'x': 4/12= x+2/ 2x+5.

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question 1 is 8, question 2 is 9, question 3 is 24

step-by-step explanation:

now, the numbers they give you at the top are the key. from there, you just have to plug and chug! let's try 1, 2, and 3!

key: a=3, b=5, c=6

1. a+5

remember, a=3, so we plug that in to get 3+5=8

2. 15-c

c=6, so we plug that in to get 15-6=9

3. 4b

b=6, so we plug it in to get 4*6=24

time to try the rest on your own! if you put the answers below in a comment, i'll check them for you!