Answer:
B. He used the wrong expression to represent the area of the base of the pyramid.
Step-by-step explanation:
Given
See attachment for pyramid
Required
Vikram's error
The surface area of a square pyramid is:
Where
So:
By comparing the calculated expression with
Option (b) is correct
Solving the inequality we get
Step-by-step explanation:
We need to solve the inequality
Solving:
Multiplying 4 with terms inside the bracket.
Adding -36 on both sides:
Adding -6z on both sides
Divide both sides by 6
So, solving the inequality we get
Keywords: Solving inequalities
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(0,-1) (-1,0) (1, -2) are three points that will work for the equation
Ok what do you need help with sweetie