MATHS HELP ASAP.. 35 POINTS Questions:
If the width AT is w metres

1. Use triangle AHT to find HT in terms of w
2. Use triangle HTB to find BT in terms of w
3. In triangle ABT use pythagoras theorem to write down an equation in w^2. Solve this equation and thus find the height of the tree

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point