Do you mean checking your work? In that case it would be 9*20.
Answer:
Andre's
Step-by-step explanation
I think its Andre. I apologize if it is not.
Reason:
1. Given
2. Angles opposite by the vertex
3. Two pair of corresponding angles are congruent (∠C ≅∠E and <span>∠ABC≅∠DBE)</span>
Answer:
The square root of 3 is the positive real number that, when multiplied by itself, gives the number 3. ... It is denoted by √3. The square root of 3 is an irrational number.
Step-by-step explanation: