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Title: Semi-circles

Grade: 8-a Lesson: S4-L5

Explanation: Let us verify the answer here with the steps.

Description:

Step	Type	Explanation	Answer
1	Problem	Find the diameter of a semi-circle with a radius of 8 cm.
2	Hint	Formula used	\$"Diameter(d)" = 2 \times r\$
3	Step	Given that, Radius of a semi-circle =	8 cm
4	Step	Diameter of a semi-circle	= \$2 \times r\$ ⇒ d = \$2 \times 8\$ ⇒ d = 16 cm
5	Step	Hence, the diameter of a semi-circle is	16 cm

Step

Type

Explanation

Answer

Problem

Find the diameter of a semi-circle with a radius of 8 cm.

Hint

Formula used

\$"Diameter(d)" = 2 \times r\$

Step

Given that,

Radius of a semi-circle =

8 cm

Step

Diameter of a semi-circle

= \$2 \times r\$

⇒ d = \$2 \times 8\$

⇒ d = 16 cm

Step

Hence, the diameter of a semi-circle is

16 cm