1,266 questions
Most triedMost missedNewest- In a right-angled triangle, sin θ = …
- In a right-angled triangle, tan θ = …
- A right-angled triangle has hypotenuse 10 cm and an angle of 30°. How long is the side opposite the 30°?
- What is cos 60°?
- What is tan 45°?
- From 20 m away, the angle of elevation of the top of a tree is 45°. How tall is the tree?
- Which rule finds a side when two angles and one side of a non-right triangle are known?
- The area of triangle ABC is given by …
- If sin θ = 0.6 and θ is acute, what is cos θ?
- The angle in a semicircle is …
- The angle at the centre is 110°. What is the angle at the circumference standing on the same arc?
- Opposite angles of a cyclic quadrilateral add up to …
- A tangent to a circle meets the radius at the point of contact at …
- Angles in the same segment of a circle are …
- Two tangents are drawn to a circle from an outside point. Their lengths are …
- One angle of a cyclic quadrilateral is 75°. What is the opposite angle?
- If a = (2, 3) and b = (1, −4) as column vectors, what is a + b?
- What is the magnitude of the vector (3, 4)?
- What is 3 × the vector (2, −1)?
- Find the determinant of the matrix with rows (3, 2) and (1, 4).
- A matrix with determinant 0 is called …
- What is the order of a matrix with 2 rows and 3 columns?
- The 2 × 2 identity matrix has rows …
- AB means 'the vector from A to B'. If OA = a and OB = b, then AB = …
- Find the volume of a sphere of radius 3 cm. (Leave π in the answer.)
- Find the volume of a cone of radius 3 cm and height 7 cm. (π = 22/7)
- Find the surface area of a sphere of radius 7 cm. (π = 22/7)
- An arc subtends 90° at the centre of a circle of radius 14 cm. How long is the arc? (π = 22/7)
- A sector of radius 6 cm has an angle of 60°. Find its area. (Leave π in.)
- Two similar solids have lengths in the ratio 1 : 3. What is the ratio of their volumes?