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madam [21]
4 years ago
10

How do you find the circumference of a circle with a radius of 4m

Mathematics
1 answer:
Bad White [126]4 years ago
6 0
C=2\pi r\\
r=4\hbox{ m}\\
C=2\pi \cdot4\\
C=8\pi \hbox{ m}
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The present age of Sita's father is three times of Sita's present age. After 6 years the sum their age will be 69. Find their pr
Papessa [141]

Age of Sita is 14.25 years and her father is 42.75 years

Step-by-step explanation:

  • Step 1: From given details, let present age of Sita be x and that of her father be 3x.
  • Step 2: Form equations based on their ages in 6 years. (Given sum is 69)

⇒ (x + 6) + (3x + 6) = 69

⇒ 4x + 12 = 69

⇒ 4x = 57

⇒ x = 14.25

  • Step 3: Calculate age of Sita's father

⇒ 3x = 42.75

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