What is the length from point B to point C?
GCSE Secondary Maths Age 13-17 - Pythagoras & Trigonometry: 3D Trigonometry - Explained
Interactive Video
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Mathematics
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10th - 12th Grade
•
Hard
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The video tutorial explains how to solve a geometry problem involving a cuboid. It begins by introducing the problem and the given measurements, such as the lengths of sides and angles. The teacher then explains the geometry of the cuboid, focusing on right angles and the 3D nature of the shape. The tutorial proceeds to calculate the hypotenuse of a triangle using the cosine function and then finds the angle X using the tangent function. Finally, the teacher summarizes the solution and discusses the allocation of marks for the problem.
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7 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Calculate the angle B2C2A in degrees.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the size of the angle between AH and the plane ABCD?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain how to find the length of AC in the triangle A to D to C.
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the cosine ratio used to find the hypotenuse in the right triangle?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you calculate the angle X using the tangent function?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the final answer for angle X rounded to one decimal place?
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