Edel's Surface Area Post

Rectangular Prism




Front= LxW 10m x 6m = 60m²
Top= LxW 10m x 5m = 50m²
Side= LxW 5m x 6m = 30m²
+ _______
140m ²

Cylinder

Diameter = 8 mm

Height = 12mm

Radius = diameter divide by 2

Radius = 8 divide 2

Radius = 4mm²

Circumference = pi x diameter

Circumference = 3.14 x 8

Circumference = 25.12

TSA = 2 (3.14 x 4 x 4) + (3.14 x 8 x 12 )
TSA = 700.48 + 304.44

TSA = 401.92mm²

Triangular Prism

Triangle area = 8 x 9 divide by 2 = 36cm²

Triangle area = 8 x 9 divide by 2 = 36cm²

Rectangle area=5 x 10 = 50 cm²

Rectangle area=5 x 9 = 45 cm

Rectangle area=5 x 8 = 40 cm²

TSA = 36 + 36 + 50 + 45 + 40 = 207 cm²