find the total surface area and lateral surface area and diagonal of the cube whose edge is : ( a ) 4.5cm answer = 121.5, 81, 7.79
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(1) total surface area of cube
= 6l²= 6(4.5)²= 6×20.25= 121.5cm²
(2) lateral surface area
= 4l²= 4(4.5)²= 4(20.25)= 81cm²
(3) length of diagonal
= √3l= (1.73)(4.5)= 7.79
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= 6l²= 6(4.5)²= 6×20.25= 121.5cm²
(2) lateral surface area
= 4l²= 4(4.5)²= 4(20.25)= 81cm²
(3) length of diagonal
= √3l= (1.73)(4.5)= 7.79
HOPE IT HELPFUL
Answered by
2
Answer:
TSA=121.5
LSA=81
LENGTH=7.79
Step-by-step explanation:
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