-√1.69 = -√(1.3×1.3) = -1.3
Recognize that these are isosceles right triangles, so the legs are equal and the hypotenuse is √2 times the leg length.
1. x=9, y=9√2
3. x=20, y=20√2
Answer:
-54
Step-by-step explanation:
-72+12+6
Answer:
(5×6)=30×7=140 the answer is 140
