If A=(B×C) and A is .85900249811274493513834238104686068217278974587753712238234187241537940938411357431027179824455466578260266
1 answer:
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Answer:
B. 21.2
Step-by-step explanation:
Perimeter of ∆ABC = AB + BC + AC
A(-4, 1)
B(-2, 3)
C(3, -4)
✔️Distance between A(-4, 1) and B(-2, 3):
AB = 4 units
✔️Distance between B(-2, 3) and C(3, -4):
BC = 8.6 units (nearest tenth)
✔️Distance between A(-4, 1) and C(3, -4):
AC = 8.6 units (nearest tenth)
Perimeter of ∆ABC = 4 + 8.6 + 8.6 = 21.2 units
K=1/3
simplify each bracket, put all numbers on the left hand side, equal it to 0 and solve for k
