The curved surface area of a semi-circle is 77 cm². What is the radius of the half-circle? *
1️⃣ 7 cm
2️⃣ 11 cm
3️⃣ 3.5 cm
4️⃣ 10.5 cm
Answers
Answered by
2
Answer:
7 cm
Step-by-step explanation:
by using formula of area of circle divided by 2
Similar questions
Computer Science,
3 months ago
English,
3 months ago
Computer Science,
7 months ago
English,
7 months ago
Physics,
1 year ago
Psychology,
1 year ago