trigonometry pls help | Mathematics | Page 1

brittle pastureBOT May 24, 2025, 9:43 PM

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pure wren May 24, 2025, 9:45 PM

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i just need help with the whole thing

burnt lotus May 24, 2025, 9:54 PM

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pure wren i just need help with the whole thing

Begin by drawing the triangles.

pure wren May 24, 2025, 9:54 PM

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i tried it myself and this is what i got idk if it’s right tho

burnt lotus May 24, 2025, 9:55 PM

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It's not.

pure wren May 24, 2025, 9:56 PM

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then what do i do

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help me pls 😢

burnt lotus May 24, 2025, 10:16 PM

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Okay, call the height of the school y, and the closer distance to the school x.

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Then we have two right triangles, one with height y, base x, and angle 64 deg, and another with height y, base x + 20, and angle 40 deg.

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@pure wren

red rapids May 24, 2025, 10:23 PM

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Yeah what they said

pure wren May 24, 2025, 10:23 PM

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okay but how is the one with angle 40 degrees a right angle aren’t they two seperate triangles

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burnt lotus May 24, 2025, 10:24 PM

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pure wren okay but how is the one with angle 40 degrees a right angle aren’t they two sep...

...why have you labeled the hypotenuse y?

pure wren May 24, 2025, 10:25 PM

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oh okay i fixed it sorry

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so now what

burnt lotus May 24, 2025, 10:28 PM

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Now we know that we have two right triangles with the side we want to know about in common, that side being y.

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And we know their angles.

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So we use trigonometry.

pure wren May 24, 2025, 10:30 PM

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so since it’s a right triangle do i use cosine

burnt lotus May 24, 2025, 10:32 PM

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What do you mean "since it's a right triangle"?

pure wren May 24, 2025, 10:33 PM

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it has a 90 degree angle and you can only use primary trigonometric ratios like sin cos or tan when you have a right triangle

burnt lotus May 24, 2025, 10:38 PM

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pure wren it has a 90 degree angle and you can only use primary trigonometric ratios like ...

...what do you mean "you can only use"?

pure wren May 24, 2025, 10:42 PM

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Can you please just give me the answer to the question you don’t even have to tell me how u got there just the answer

burnt lotus May 24, 2025, 10:44 PM

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No.

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I'm not going to give you the answer.

#trigonometry pls help