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Year 9 · Measurement and Geometry · 20 questions · 30 min
Two angles in a triangle are 45° and 65°. What is the third angle?
Find the sine of a 30° angle in a right triangle
What is the cosine of 60°?
Two parallel lines are cut by a transversal. If one angle is 110°, what is the alternate interior angle?
Triangle ABC is similar to triangle DEF. If AB = 4 cm and DE = 6 cm, and BC = 8 cm, what is EF?
Find tan(45°)
What is the tangent of 60°?
Vertically opposite angles formed by two intersecting lines are always:
In a right triangle, sin(θ) = 0.6. What is cos(90° - θ)?
In a right triangle with angle 35°, what is the complement of this angle?
If sin(x) = 0.8 in a right triangle, what is the opposite side if the hypotenuse is 10 cm?
Triangle PQR has angles 30°, 60°, and 90°. It is similar to triangle XYZ. If PQ = 5 cm, and XY = 10 cm, what is the scale factor?
What is cos(30°)?
A transversal cuts two parallel lines. If one co-interior angle is 80°, what is the other?
In a right triangle, if cos(θ) = 0.6, what is sin(θ)?
If cos(x) = 0.5, what is the angle x?
In a right triangle with hypotenuse 10 cm, if tan(θ) = 3/4, what is the opposite side?
What is sin(45°)?
Two triangles are similar. If the ratio of corresponding sides is 2:5, what is the ratio of their areas?
In a right triangle, the adjacent side to angle θ is 5 cm and the hypotenuse is 13 cm. Find cos(θ)
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