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Can you help me please my peanut brain cant do it

Can you help me please my peanut brain cant do it-example-1
User Nkmol
by
7.3k points

1 Answer

6 votes

Answer:

diagonal = 13 cm

Explanation:

the length of the space diagonal (d) is calculated as

d =
√(length^2+width^2+height^2)

here length = 4 cm , width = 3 cm , height = 12 cm , then

d =
√(4^2+3^2+12^2) =
√(16+9+144) =
√(169) = 13 cm

User Joellen
by
8.1k points