Answer: 18.7
Step-by-step explanation:
Find the lengths of AB, BC, and CA
AB =
= 5
≈ 7.1
BC =
= 5
≈ 7.1
CA =
= 2
≈ 4.5
7.1 + 7.1 + 4.5 = 18.7
After demonstrating the procedure by algebraic means, the expression
<em>is equivalent to</em>
.
In this question we proceed to <em>simplify</em>
by <em>algebraic</em> means into a <em>single</em> <em>radical</em> expression when possible, whose procedure is shown below and explained by appropriate definitions and theorems:
-
Given. -
Commutative property/ Associative property. -
Definition of cubic root/
/Result
After demonstrating the procedure by algebraic means, the expression
<em>is equivalent to</em>
.
To learn more on radical expressions, we kindly invite to check this verified question: brainly.com/question/1810591
.60 is above 50 so you round up
4.60 becomes 5.00 if you round it to the nearest tenth