Step-by-step explanation:
<h2>GIVEN:-</h2>
The Perimeter of Equilateral triangle = 60cm
<h2>UNDERSTANDING THE CONCEPT:-</h2>
According to the question,
To find the height of the triangle,
Perimeter of Equilateral triangle = Area of Equilateral triangle.
<h2>FORMULA USED:-</h2>

<h2>REQUIRED ANSWER:-</h2>



<h3>SO, The Exact height of the triangle is 120√3cm.</h3>
Answer:
8000.0000052
Step-by-step explanation:
(5.2*10^-6)=0.0000052
(8*10^3)=8000
Answer:
Option D. 
Step-by-step explanation:
we know that
The volume of the cylinder is equal to

In this problem we have


substitute
-----> exact value of the volume
Answer:
79 books
Step-by-step explanation:
45% books not returned = 55% books will be returned
145 books currently checked out
55% of 145 = 79.75
since you can't return 3/4 of a book, i would round down to 79.
Answer:
Step-by-step explanation: