Ema substituted the measurements of her cone into the formula to find the surface area. Her work is shown below. SA = π(142) + π(14)(29) What can be concluded from Ema's equation? Check all that apply. The slant height of the cone is 14 units. The diameter of the cone is 28 units. The base area of the cone is 196Piunits2. The lateral area is the product of pi, the radius, and the slant height. The surface area is 434Pi units2.

B, C and D

Step-by-step explanation:

Ema found the surface area of a cone as:

Surface Area of a Cone

Therefore:

Radius, r =14 units

Slant Height, l = 29 Units

(B)The diameter of the cone is 28 units.

SInce Diameter =Radius X 2

Diameter = 14 X 2= 28 Units

(C)The base area of the cone is

Base Area of a Cone

Since r=14 Units

Base Area =

(D)The lateral area is the product of pi, the radius(r), and the slant height(l).

Therefore, B, C andDapplies.

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the answer for this question is : 360°

step-by-step explanation:

we have been given a triangle   we need to tell which one of these is a triangle below to map onto itself.

360° rotation is the complete rotation which eventually leads to the same figure which is given.

the correct will be, that is 360° that will cause the triangle below to map onto itself.