1 and 1/3----------Hope I helped....
Answer:
n = -12
Step-by-step explanation:
plug -12 in for n and its -2 x -12 which equals 24
Answer:
triangle ABC is "not" a right-angled triangle
Step-by-step explanation:
AB=8cm
BC=5cm
perimeter = 22cm
CA = 22 - 8 - 5 = 9
8² + 5² = 89
9² = 81
AB² + BC² ≠ CA²
6/12 or 1/2 I hope this was the right answer and helped you