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- Hello students, I am Marcous Nacario from the DepEd team and i am here to show you 4 different problems of trigonometry.
- Hello Sir Marcous!
- While the second question is "How long is the base of one of the face of a pyramid shaped-like building. if the attitude is 58 degrees with the base and the peak of the building is 470 meters from the ground?" do you guys know the answer? you two the boys do know the answer?
- The first is "Last night while waiting for a bus, I saw my shadow on the ground it was 1 meter away from my foot up to the head of my shadow and I am 1 meters away from a light post (6 meters). What is the angle from the light post up to the head of my shadow?"
- I know the answer the to question one, the answer is 114.50 degrees
- Oh I know the answer to question two is it 1,211.25 meters.
- that's correct well done, and now the last two questions "The angle of elevation of a hot air balloon, climbing vertically, changes from 25 degrees at 8:10 am to 60 degrees at 8;15am. The point of observation of the angle of elevation is situated 300 meters away from the take off point. What is the upward speed, assumed constant, of the balloon? Give the answer in meters per second and round to two decimal places."
- While the last and final question is "When the top M of a mountain is viewed from point A, 2000 m from ground, the angle of depression a is equal to 15o and when it is viewed from point B on the ground the angle of elevation b is equal to 10o. If points A and B are on the same vertical line, find the height h of the mountain. " What are the answer for the both of these?
- I know the answer the to question 3, the answer is 3.16 seconds. while the other one is703.8m
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