The perimeter of the triangle is 10x-1 cm.
Explanation:
Perimeter of the triangle:
(6x+2) + (x-4) + (3x+1)
= 6x + 2 + x - 4 + 3x + 1
= 10x - 1
Answer:
2/13
Step-by-step explanation:
There are thirteen shapes and out of that two are
12m²n² -8mn +1
[6mn-1]•[ 2mn-1]
[ 6mn•2mn + 6mn•-1 + -1•2mn +-1•-1]
= [ 12 m²n² -6mn -2mn +1]
= [ 12m²n2-8mn+1]
.........
The answer would be B) -12.
