What is the total surface area represented by this net of a triangular prism? Your answer should have two decimal places.
7.8cm
17cm
9cm
17cm
17cm
9cm
9cm
9cm
The total surface area of the net is 170.96 cm².
To calculate it, you would need to find the area of each triangle (7.8cm x 17cm x 9cm) and each rectangle (17cm x 9cm and 9cm x 9cm) and then add them all together.