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25 August, 19:50

A round cake has a diameter of 30 cm. Angela places the cake on a circular cake board with a diameter 5 cm

longer than that of the cake.

What is the circumference of the cake board?

Give your answer in terms of T.

cm

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Doble

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Answers (2)
  1. 25 August, 19:54
    0
    Answer: 35π cm
  2. 25 August, 20:18
    0
    Answer: Circumference of cake board is 35π cm.

    Step-by-step explanation:Since we have given that

    Diameter of a round cake = 30 cm

    Diameter of a cake board is 5 cm longer than the diameter of a round cake.

    So, Diameter of a cake board = 30+5=35 cm

    So, radius of a cake board will be

    As we know the formula for " Circumference of Circle ":

    So, According to question, we get,

    Hence, Circumference of cake board is 35π cm.
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