area of circle is 154sqcm,then the diameter is
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Answered by
2
Answer:
Perfect questions for guys interested in maths..
2. The value of x + x(xx) when x = 2 is:
(a) 10, (b) 16, (c) 18, (d) 36, (e) 64
Solution:
x + x(xx)
Put the value of x = 2 in the above expression we get,
2 + 2(22)
= 2 + 2(2 × 2)
= 2 + 2(4)
= 2 + 8
= 10
Answer: (a)
hope it helps ✌️✌️✌️
Answered by
3
Answer:
14 cm
Step-by-step explanation:
area of a circle = 154 cm²
πr² = 154
22/7 ×r² = 154
r² = 7×7
r = 7 cm.
then the diameter will be 2r = 2×7cm = 14 cm.
hope you understand it
thank you
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