Question

Solve the composite shape for total surface area to determine the amount of aluminum required for the construction of all the components.

Isosceles Trapezoid Dimensions:

Upper base b1 = 2 cm

Lower base B2 = 4 cm

Height of trapezoid = __cm

Area of trapezoid = __cm^2

Triangle at Top of Isosceles Trapezoid:

Sides = 2 cm, 2.25 cm, 1.87 cm

Area:___cm^2

Triangle at Bottom of Isosceles Trapezoid:

Sides: 4 cm, 4.5 cm, 3.75 cm

Area = ___cm^2

Heron's Formula for Area of Triangles:

_____________

Disk Dimensions:

Outer Circle Diameter = 0.61 cm

Inner Circle Diameter = 0.25 cm

Area of Disk = _____ cm^2

Triangles at each leg of the isosceles Trapezoid are equilateral with each side = 5 cm

:Area of the Equilateral Triangles = _____cm^2

Total Surface Area of the Aluminium Plate for Suspension Rod: _______cm^2

Answer 1