Perimeter of the triangle ABC is 18.7 units.
Coordinate of the point A is (4, -1), B is (-1, 4) and C is (0, -3).
Length of the side AB =
AB =
AB = 7.07 units = 7.1 units ( rounded to the nearest 10th)
Length of the side BC =
BC =
BC =
BC = 7.07 units = 7.1 units ( rounded to the nearest 10th)
Length of the side CA =
CA =
CA =
CA = 4.47 units = 4.5 ( rounded to the nearest 10th)
Perimeter of the triangle ABC = sum of all three sides = (7.1 + 7.1 + 4.5) units = 18.7 units
Answer:
2 times 10 plus 4 times 10!
Step-by-step explanation:
Answer:(-3,-6)
Step-by-step explanation:
-4x+y=6
+ -5x-y=21
_________
-9x. = 27
X= 27/-9
X = -3
-4(-3)+y=6
12+y=6
Y=6-12
Y= -6
To check
-4(-3)+(-6)=6 and -5(-3)-(-6)=21
12-6=6. 15+6=21
6=6. 21=21
They check by our answers
Answer:
Step-by-step explanation:
Answer:
original volume =lbh
new volume = 2×l ×b×2h =4lbh
new volume is 4 times to original volume