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
Step-by-step explanation:
y = 4x+1
y–1 = 4x
x = (y–1)/4
Answer:
Ali is 72%
Zain is 64%
Ahmed scored 73%
So Ahmed Scored more
Step-by-step explanation:
Answer:
The answer is 36
Step-by-step explanation:
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