Answer:
TL ≈ 9.90
Explanation:
The Pythagorean theorem tells you ...
TC² +LC² = TL²
In this isosceles triangle, LC = TC, so we have ...
TL² = TC² +TC² = 2·TC²
Taking the square root gives ...
TL = TC√2 = 7√2
3.7m questions
4.7m answers