What is the surface area of the square pyramid? A net has a square base with side lengths of 2, and 4 triangles with heights of 3. square units

16 units²

Step-by-step explanation:

Surface area

= square + 4 triangles

= 2² + 4(½ × 2 × 3)

= 4 + 4(3)

= 4 + 12

= 16

Step-by-step explanation:

Step 1:  Find the surface area of the square

Area = s^2

Area = 2^2

Area = 4

Step 2:  Find the surface area of the triangles

Area = (b * h) / 2

Area = (2 * 3) / 2

Area = 3

Area of four triangles = 4 * 3 = 12

Step 3:  Combine the Area's

Square + Four Triangles

4 + 12

16

16 units^2

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %