7 सेंटीमीटर त्रिज्या वाले एक गोले का पृष्ठीय क्षेत्रफल ज्ञात करें
Answers
Answered by
6
Answer:
radius=7cm
total area = half area of sphere + area of circle
= (1/2)4pi(radius)^2 + pi (radius)^2=
2pi(7)^2 + pi(7)^2= 3pi(7)^2 = 3×22×7×7/7=3×22×7=
462 sq cm
Similar questions