tsa of solid sphere is 1386sq m then what will be the tsa of solid hemisphere of same radius, write?
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7
Answer:
Step-by-step explanation:
surface area of sphere=1386 cm²
4πr² =1386
4×22/7×r²=1386
r²=1386×7/22×4
r²=441/4
r=21/2=10.5 cm
tsa of hemispere =2πr²
- =2×22/7×10.5×10.5
=693
vishaka33:
okk
answer= 3pie r^2 =3 * pie *10.5*10.5=1038
ok frnd
soory for mistake
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no no its ok
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