help me please question number 4
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1
as 2 sides are equal
so ac=bc=x
2x+x=180
x=60
so ac=bc=x
2x+x=180
x=60
Answered by
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tsa of hemisphere=3pi×r^3
=3×22/7×(10)^3
=66000/7
=3×22/7×(10)^3
=66000/7
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