Answer:
Equation: 3(x+5)=60
Solution: 15 inches
Step-by-step explanation:
Let x represent the original side length of the equilateral triangle. Then, the new length of each side is x+5. Because a triangle has three sides, the new perimeter is 3(x+5), which is 60 inches. Dividing both sides by 3, we get that x+5=20, so x=15.
Answer:
Perpendicular
Step-by-step explanation:
Perpendicular lines have negative reciprocal slopes
-2/3 negated is
2/3
The reciprocal (flip the numerator and denominator) of 2/3 is
3/2
So, the lines are perpendicular
Hope this helps! :)
Answer:
DF=GI
Step-by-step explanation:
Follow the order
it is Given That
DEF=GHI
DF=GI
DE=GH
EF=HI
