slant height = sqrt(169 - 16) = sqrt153
S of the lateral surface = ((3*8)/2)*sqrt153 = 12sqrt153
S of the base = sqrt(12*(12-8)*(12-8)*(12-8))=16sqrt(3)
S=3*S of the lateral surface +S of the base=36sqrt153 + 16sqrt(3)=108sqrt(17) + 16sqrt(3)
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?