Answer:
150º
Step-by-step explanation:
If a root is a+√b then another is a-√b because of quadatic formula
r2=1-√5
<u>Answer</u>:
21 is 30% of 70
<u>Explanation</u>:
We know that 100% is the original number.
Equation:
(21/30)*100
21/3 * 10
7 * 10
70 ....this is the answer, original number.
It would be 61180 because u need to multiply 3059x20 =61180