60 results for "circle".

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• Question

Recognising the equation of a circle.

• Question

Find the points of intersection of a straight line and a circle.

• Question

Recognising that $(x-a)^2+(y-b)^2=r^2$ is a circle of radius $r$ with centre $(a,b)$

• Question

Find the centre and radius of a circle when given an equation in standard form.

• Question

Find the points of intersection of a straight line and a circle.

• Question

Find the points of intersection of two circles.

• Question

Cauchy's integral theorem/formula for several functions $f(z)$ and $C$ the unit circle.

• Question

$x$ is given and (sin(x),cos(x)) is plotted on a unit circle.  Then the student is asked to determine sin(y) and cos(y), where y is closely related to x (e.g. y=-x, y=180+x, etc.)

• Question

Find the moment of inertia of semi and quarter circles using the parallel axis theorem.

• Question

Replace three tangential forces with an equivalent force-couple system acting at the center of a circle.

• Question

Find moment of inertia of a shape which requires the use of the parallel axis theorem for a semicircle.

• Question

Applied questions that could be done with modulo arithmetic.

• Question

Unit circle definition of sin, cos, tan using degrees

• Question

Use $\cos^2\theta+\sin^2\theta=1$ and/or an understanding on the unit circle definitions to determine $\cos\theta$ given $\sin\theta$ and the quadrant theta is in.

• Question

Use $\cos^2\theta+\sin^2\theta=1$ and/or an understanding on the unit circle definitions to determine $\sin\theta$ given $\cos\theta$ and the quadrant theta is in.

• Question

Unit circle definition of sin, cos, tan using degrees

• Question

Recognising that $(x-a)^2+(y-b)^2=r^2$ is a circle of radius $r$ with centre $(a,b)$

• Question

Recognising the equation of a circle.

• Question

Recognising the equation of a circle.

• Question

Recognising that $(x-a)^2+(y-b)^2=r^2$ is a circle of radius $r$ with centre $(a,b)$

• Question

Recognising that $(x-a)^2+(y-b)^2=r^2$ is a circle of radius $r$ with centre $(a,b)$

• Question

Locate the centroid of a rectangle, triangle, and semi-circle on a coordinate grid.

• Exam (9 questions)

These practice questions cover:

• resolving axial forces in a truss structure
• stress & strain in a closed thin-walled pressure vessel (an example of 2D plane stress)
• use of Mohr's circle for determining principal stresses for a 2D plane stress case
• calculation of invariants for general 3D stress case, leading to von Mises stress and principal stresses
• Exam (5 questions)

Using the unit circle definition of sin, cos and tan, to calculate the exact value of trig functions evaluated at angles that depend on 0, 30, 45, 60 or 90 degrees.

• Question
Basic example of the Eukleides extension
• Question

Find the centroid of a shape made from a rectangle, triangle, and circle.

• Question

Use $\cos^2\theta+\sin^2\theta=1$ and/or an understanding on the unit circle definitions to determine $\cos\theta$ given $\sin\theta$ and the quadrant theta is in.

• Question

Use $\cos^2\theta+\sin^2\theta=1$ and/or an understanding on the unit circle definitions to determine $\sin\theta$ given $\cos\theta$ and the quadrant theta is in.

• Question

Circumference and area of a circle

rebelmaths

• 2850: 202 MCQ:35