Drag the ruler over each side of the triangle to find its length. The length of AB is . The length of BC is . Drag the protractor over each angle to find its measure. The measure of angle C is . The measure of angle B is .

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