Step-by-step explanation:
helpful for you..........
10. A 11. D 12. A (wasn’t too sure about question 12)
Answer:-12
Step-by-step explanation:
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