math10-3

Question

Answer 1

(2)

Observe the net diagram :

The length of the triangular prism is .

The breadth of the triangular prism is .

The height of the triangular prism is .

The slant height of the triangular prism is .

Redraw the net diagram in 3D view:

Answer 2

(3)

The length of the triangular prism is .

The breadth of the triangular prism is .

The height of the triangular prism is .

The slant height of the triangular prism is .

The surface area of the right angled triangular prism is .

Substitute , , and .

.

The surface area of the right angled triangular prism is .