Answer:

Step-by-step explanation:
The given figure shows a triangular pyramid having 16 units as height. The base of pyramid is triangle.
The area of a triangular pyramid is given by :

Where
b is the area of base

So, the required area is equal to
.
7( b-2)
7(8-2)
7×6
42 ans
thank u
Answer:
57.5
Step-by-step explanation:
First you would have to multiply following PEMDAS so
(1/4)(2)
=0.5
Then subtract 58 and 0.5
58-0.5
=57.5
and thats your answer
Multiplication because you undo it