After heavy winds brought by typhoon "BISING", houses were damaged. Workers placed an 8-m brace against it's side at a 45° angle. Then at the same spot on the ground, they placed a second longer brace to make a 30° angle with the side of the house.

1.HOW LONG IS THE LONGER BRACE?(ROUND YOUR ANSWER TO THE NEAREST TENTH)

2.ABOUT HOW MUCH HIGHER ON THE HOUSE DOES THE LONGER BRACE REACH THAN THE SHORTER BRACE?

(WITH SOLUTION, REPORT NONSENSE ANSWER)​​