Math, asked by vinaysoni7530, 6 months ago

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 bangtannie05

2

Answer:

7 cm

Step-by-step explanation:

by using formula of area of circle divided by 2

Previous Question

Next Question

Similar questions

Math, 2 months ago

If the radius of a sphere is doubled, how many times will be its volume compared to that of the original sphere. Class X...

Math, 2 months ago

1/2 ÷ (1/3 × 1/4 simplify pls give methods how u have done all methods...

Chemistry, 2 months ago

name the gases that are liberated during the chemical reaction...

Computer Science, 6 months ago

When computers of two cities are connected they form wild area network true or false...

English, 6 months ago

be a Suppose you are the decretory of your cultural on mobild Awareness Programine for children- Now write a notice for the School Notice Board in about 100 words. gãoup. You wish to...

Physics, 11 months ago

ature is more for 161 The water equivalent of copper calorimeter is 4.5g, the specific heat of copper is 0.09 calg Among the following incorrect one is a) Mass of calorimeter is 0.5 kg b) Thermal capacity of calorimeter is 4.5 cal c) Heat required to raise the temperature of the calorimeter by 8°C will be 36 cal d) Heat required to melt 15g of ice placed in the calorimeter will be 1200...

Psychology, 11 months ago

A brother who is united to his brother is like a fortress that cannot be conquered. A house divided within itself will not stand the attacks of its enemies. Why?

Physics, 11 months ago

explain why is the p.d. across the terminals of cell more in an open circuit and reduced in a closed circuit.