ANSWER

EXPLANATION
The given product is:

We expand using the distributive property to obtain:

Extract the perfect squares to get:

Expand further to get;

This simplifies to,

Answer:
Step-by-step explanation:
x2=256
By taking Square root we get
x=16
Answer:
Step-by-step explanation:
<u>Here is how I found it:</u>
- Flip the picture 180°.
- Then, measure the angle.
<em>Required:</em>
- The angle is 90°.
- If you don't pay attention, you might mistake it for a 150° angle.
Correct choice is A.