Answer:
7.7+ 8.1 = 15.8 not 16.8 and its 1
Step-by-step explanation:
Answer:
The answer is a² .
Step-by-step explanation:
You have to substitute x and y into the expression :
Next, you have to apply Basic Trigonometric Identity :
Diameter = 2radius
So 25+25=50
Answer:
it will be 10
Step-by-step explanation: