The cost of staying in a hotel is given by the formula C=50d+20, where C is the cost in £ and d is the number of days a person s
1 answer:
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Answer:
b.
Step-by-step explanation:
We are given that
Length of equilateral triangle=a=18 in
Base of oblique pyramid is an equilateral triangle.
We have to find the height of the triangular base of the pyramid
Height of the triangular base of the pyramid,h=
We know that each angle of equilateral triangle =60 degree
Substitute the values
Height of triangular base of the pyramid,h=in
Using the value of
Height of triangular base of the pyramid,h=
Option b is true.