Answer: u already have the answer so thank u for the answer and the 21. Points
Step-by-step explanation:
Answer:
Its a right triangle
Step-by-step explanation:
Answer:
Two systems of equations are equivalent if they have the same solution(s).
10r² + 3 = 813
10r² = 813 - 3
10r² = 810
r² = 810 ÷ 10
r² = 81
r = √81
r = <u>9</u>
So, the value of <em>r </em>is 9
<em>Hope </em><em>it </em><em>helpful </em><em>and </em><em>useful </em><em>:</em><em>)</em>