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How do you calculate arc length and sector area and why is it calculated like this? You are given sector angle 40 degrees and radius 7cm and asked to give answers to 3sf.

A sector represents a fraction of a circle. The fraction depends on the angle of the sector, X, and the total angle in a circle which is 360, such that the fraction is x/360. In this case the fraction is ...

PK
Answered by Peter K. Maths tutor
5541 Views

Why are certain verbs always followed by the dative case?

In a sentence, the object can be either direct or indirect. When the object is acted on directly, it takes the accusative case. Example: 'Sie isst den Apfel' (She is eating the app...

OB
Answered by Oscar B. German tutor
1615 Views

How do I prepare for the French film essay?

The two main aptitudes tested by the A level film essay (for most boards you will have the option to write an essay either about a French film or a French language text) is your understanding of the film ...

LP
Answered by Lily P. French tutor
4805 Views

To what extent can WWI be deemed a failure?

The justification of both the outbreak and longevity of the First World War is a question of heated debate, initiated by those who started the war and further explored by historians up until the present d...

SD
Answered by Sarah D. History tutor
1320 Views

How successful were Stalin's economic policies?

From 1929 to 1941 Stalin deployed a number of economic policies to transform Russia from a backward nation into a European superpower. A motive that is clear from his own dialogue in the late 1920's, &quo...

WH
Answered by William H. History tutor
25335 Views

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