Answer:
11 units
Step-by-step explanation:
Since <em>∆ABC is isosceles, it means that at least two sides are congruent/equal in length</em>.
<em>Sides CA and AB are congruent</em>, since BC is the base. So, <em>CA = 4</em>.
That means the perimeter is <em>4 + 4 + 3 </em>= 11 un
A. They are symmetric about y=x
Answer: 
Step-by-step explanation:
We know that Scientific notation is a way to write a very large or a very small number in the product of a decimal form of number [generally between 1 and 10] and powers of ten.
Given number : 0.00023
In scientific notation 
Therefore, In scientific notation 
False is the correct answer