cairt017309 cairt017309

20-02-2022
Mathematics

contestada

Find the perimeter of this semi-circle with diameter, d = 39cm. Give your answer rounded to 1 DP.

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mbogapaul2 mbogapaul2

20-02-2022

Answer:

p=1/2*3.14+d

1/2*3.14*19.5=30.615

=30.615+39

=69.615

=69.6

Step-by-step explanation:

since it's half a circle we take the formula of acricle to be half

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