A solid metallic sphere of radius 7 cm is cut into two halves. Find the total surface area of the two hemisphere
1 answer:
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Answer:
Step-by-step explanation:
Triangle:
Base = 4 units
Height = 3 units {perpendicular height}
= 6 square units
Rectangle:
To find the area count the number of squares. Number of square = 6
Area = 6 square units
or You can find the area of the rectangle as bellow also
Length = 3 units
Width = 2 units
Area = length*width
= 3*2
= 6 square units
Both the triangle and rectangles has the same area 6 square units
Answer:
is n<-3
Step-by-step explanation:
The answer and the solution are in the picture above
Answer:
Length of arc = central angle made by the arc/360° × 2πr