Lateral area of the cone = 15 π sq. cm
Step-by-step explanation:
Lateral area of the cone A = πr √(h²+ r²)
Here h = 4 cm and r = 3 cm
Plugin the values we will get the lateral area as,
A = π × 3 ×√(4² +3²)
= π × 3 ×√(16 +9)
= π × 3 ×√(25)
= π × 3 × 5
= 15 π sq. cm
