Answer:
z = 10
Step-by-step explanation:
the steps have been attached above
Answer: (bc+2ac+3ab)/(abc)
Question 7:
Diameter = 6.2 cm so Radius = 3.1 cm
A=πr² = 3.14 × 3.1² = 30.1754 cm² = 30.18 cm²
Question 8:
Circumference = 2πr
16π = 2πr
therefore 16 = 2r so r = 8cm
Answer:
1/6
Step-by-step explanation:
/3= 1/6