Use the net to find the surface area of the regular pyramid.
mm2

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:
178.3 mm²
Step-by-step explanation:
3[½ × 9 × 10] + 43.3
135 + 43.3
178.3