Me find the lateral and the surface area i have to round to the nearest tenths if necessary

Step-by-step explanation:

The formula of a lateral area of a cone:

r - radius

s - slant height

We have r = 5m and s = 12m. Substitute:

The formula of a surface area of a cone:

Substitute:

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.

x= 149. 24+7=31. 180-31=149

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