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Answer:
Name - Cube
Shape -
Faces - 6
Vertics - 8
Edges - 12
1. Are of circle = πr2
Radius = 21 cm
Area = 22/7 × 21 × 21
= 22 × 3 × 21
= 1,386
2. Area of circle = 394.24
Diameter = d
=
2
A
π
=
2
·
394.24
π
≈
22.40451
5. Area of Trapezium = 1 2 × Sum of parallel sides × Distance between them
Area of Rhombus = 1/2 * d1 *d2
Step-by-step explanation:
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