Answer:
21) 882 cm^2
22) diameter= 14 cm , radius = 7 cm
Step-by-step explanation:
21) every square is a rhombus
area of rhombus = 0.5 × product of diagonals
= 0.5 × 42×42
= 882 cm^2
22) we know , circumference = 2πr
44 = 2×22×r / 7
r = 7
diameter = 2r = 2 × 7 = 14
Hope it helps
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Answers & Comments
Answer:
21) 882 cm^2
22) diameter= 14 cm , radius = 7 cm
Step-by-step explanation:
21) every square is a rhombus
area of rhombus = 0.5 × product of diagonals
= 0.5 × 42×42
= 882 cm^2
22) we know , circumference = 2πr
44 = 2×22×r / 7
r = 7
diameter = 2r = 2 × 7 = 14
Hope it helps