Chaseley's BOB

Surface Area Of a Rectangular Prism

surface area is the total amount of area a whole 3D shape contains.

formula: area front + area back+area side+ area side2+area top+area top+area bottom.

area front + area back = L x W
area side + area side2 = W x H
area top+ area bottom = L x H

SA = area front + area back+area side+ area side2+area top+area top+area bottom. SA= 2 (L x W) + 2(W x H) + 2 (Hx L)
SA= 2 (4cm ² x2cm ²) + 2 (4 cm ² x 2 cm ²) + 2( 2cm ² x 2cm ²)
SA= 2 (8cm ²) + 2 (8 cm ²) + 2 (4 cm ²)
SA= 16cm ²+16cm ²+8cm ²
SA= 40 cm ²

looks complicated ? REALLY ITS NOT :)

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volume of a rectangular prism

V=(L X W) x H
V= (17cm ² x 11 cm ²) x 1 cm ²
V= 187 cm ² x 1cm ²
V=187cm³

Volume is the amount of space an object takes up.

FORMULA: LxWxH= volume³