What is the length of the diagonal for the given rectangular prism to the nearest whole unit?
the unit is the length=6, width=5, height=9

a. 8 cm
b.10 cm
c.11 cm
d.12 cm

1.what is the slant height for the given pyramid to the nearest whole unit.

pyramid base= 12 cm
height=8 cm
a.5 cm
b.9 cm
c.14 cm
d.10 cm

Length of the diagonal : D. 12 cm

The space diagonal of a rectangular prism is derived using the following formula:

d = √(l² + w² + h²)

l = 6; w = 5; h = 9
d = √6² + 5² + 9²
d = √36 + 25 + 81
d = √142
d = 11.916 ⇒ 12 cm

slant height of the given pyramid : 

l = slant height
h = height
a = base radius

l = √h² + a²

i'm assuming that the pyramid base is also the base radius
l = √8² + 12²
l = √64 + 144
l = √208
I = 14.42 ⇒ 14cm

in the event that the pyramid base is not the radius, then 12/2; 6cm
l = √8² + 6²
l = √64 + 36
l = √100
l = 10 cm

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