Answer:
A) 220.5 mm^2
Step-by-step explanation:
<u>Explanation</u>:-
Given A regular triangular pyramid has a base of area is 31.5mm^2
and also given surface area of triangular pyramid is 252 mm ^2
by using formula
surface area of regular triangular pyramid = base of area + half of lateral surface.

252 = 31.5 + 

220.5 = lateral area of triangular pyramid
lateral area of triangular pyramid = 220.5 mm^2
Jan can eat 0.40 hot dogs per minute.
Answer:
Step-by-step explanation:672
The result of dividing

by

is

with no remainder. Please check the step by step procedures in the picture attached.
We can conclude that:
The quotient of the division is

The remainder of the division is

The divisor is

The dividend is
Answer:
Area is about 1520.53
Step-by-step explanation:

A = 
A ≈ 1520.53