Answer:
7.1
Step-by-step explanation:
because pythagorean theorem
c² > a² + b²
20² > x² + 3x²
400 > 4x²
÷4 ÷4
100 > x²
10 > x 400 > 4(7.1)²
400 > 4(50.41)
400 > 201.64
is it from a text book
2.646
You have to 6 to the 1 and then take the square root of the number which is seven leaving you with 2.646
the answer is c 60%, may i have brainlyiest
3 is the answer
mutiply and open bracket minus each other
