The PTA wants to install a rock climbing wall in the school gymnasium. Ms. Stahl, the physical education teacher needs to determine the height of the wall, designated by FA, so the principal can determine the potential cost for the PTA. The height of Ms. Stahl's eyes from the ground is 5 feet, labeled AC. She stands so that her line of sight to the top and bottom of the wall form the right FBA. Ms. Stahl is standing 4 feet from the wall. Part A: What is the measure of angle CBA to the nearest degree? A) 51° B) 53° C) 90° D) 39° Part B: Determine which expression would approximately determine the height of the wall, FA. A) 5+4 sin 39° B) 5+4 tan 39° C) 5+4 tan 51° D) 4 tan 51°
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
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