The triangular base of a prism is a right triangle of sides a and b =2a. The height h of the prism is equal to 10mm and its volume is equal to 40…

The triangular base of a prism is a right triangle of sides a and b =2a. The height h of the prism is equal to 10mm and its volume is equal to 40 mm³. What will be the lengths of the sides a and b of the triangle?

1. a) 2mm and 3mm
2. b) 1 mm and 4 mm
3. c) 2 mm and 2 mm
4. d) 2 mm and 4 mm