Question

Use the net to find the surface area of the regular pyramid.




mm2

Answer 1

Answer:

313.3 mm²

Step-by-step explanation:

A = Al + Ab

= Pb×ap/2 + 43.3mm²

= 30mm×9mm + 43.3mm²

= 270mm² + 43.3mm²

= 313.3 mm²

Answer 2

Answer:

178.3 mm²

Step-by-step explanation:

3[½ × 9 × 10] + 43.3

135 + 43.3

178.3