Know, understand and use sine, cosine, and tangent of a acute angles to calculate lengths in a right-angled triangle.. Use trigonometry to calculate lengths and angles in a right-angled [r]
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rd
REVIEW PACK
GRADE MATHS
PYTHAGORAS AND TRIGONOMETRY
(2)PYTHAGORAS AND TRIGONOMETRY
●LEARNING OBJECTIVES:
1 Identify and name the hypotenuse of a right-angled triangle Know and use pythagoras’ theorem
3 Know, understand and use sine, cosine, and tangent of a acute angles to calculate lengths in a right-angled triangle
4 Use trigonometry to calculate lengths and angles in a right-angled triangle Solve problems involving right-angled triangles
●RESOURCES
(3)WORKSHEET ON PYTHAGORAS AND TRIGONOMETRY
1 Find the size of the angle or the side marked by x a)
b)
c)
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(6)CONSTRUCTION
●LEARNING OBJECTIVES:
1 Construct perpendicular bisectors and angle bisectors
2 Construct accurate circles, triangles and quadrilaterals using a compass, ruler and protractor
●RESOURCES
1 https://www.youtube.com/watch?v=IQ35R6CWqd8 https://www.youtube.com/watch?v=lI5NK7WKQOQ https://www.youtube.com/watch?v=XAYMy-A6b7Y
(7)WORKSHEET ON CONSTRUCTION
1 Use a ruler and compass to construct the perpendicular bisector of AB You must show clearly all your construction arcs
(8)3 Line CD is drawn below
Use a ruler and compass to construct the perpendicular bisector of CD You must show clearly all your construction arcs
https://www.youtube.com/watch?v=T9lt6MZKLck https://www.youtube.com/watch?v=RGh8n86EE48 https://www.mathsisfun.com/algebra/trigonometry.html https://www.youtube.com/watch?v=IQ35R6CWqd8 https://www.youtube.com/watch?v=lI5NK7WKQOQ https://www.youtube.com/watch?v=XAYMy-A6b7Y https://www.mathsisfun.com/geometry/constructions.html )