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The perimeter of a right-angled triangle is 72 cm. The lengths of its sides are in the ratio 3 : 4 : 5 Work out the area of the triangle.

Draw the triangle - recognising that it is a right angled trianglefind the scale factoruse the formula: 0.5 x base x height = area To find the scale factor you must divide the total perimeter by the sum o...

SC
Answered by Stella C. Maths tutor
2868 Views

The maximum speed this cyclist can travel on a level road is 14 m/s. How does cycling uphill affect the maximum speed of this cyclist? Explain your answer.

Maximum speed is lower This is because maximum power output of cyclist is constant but additional work is done against gravityGravitational potential energy of the cyclist is increasedPower in = total ene...

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Answered by Stella C. Physics tutor
13848 Views

Why does graphite conduct electricity while diamond doesn't?

I'd start by asking the student what they knew about the structures of diamond and graphite, and asking them what they understood by the keyword "allotrope". If they were able to draw/ describe ...

LP
Answered by Lauren P. Chemistry tutor
4159 Views

Solve the Simultaneous Equation: 2x + 3y = 15 and 5x + 4y = 13

Primarily, we should attempt to make either the x or y values of either equation be the same value, or the equivalent negative value. This is so we can add or subtract the equations to leave us with one v...

LH
Answered by Luke H. Maths tutor
8392 Views

How should I structure my essay?

Even at GCSE, structure is really important so a marker or teacher reading your essay can clearly see the different parts of your argument and award you all the marks you deserve. The first part of every ...

LH
Answered by Luke H. History tutor
2151 Views

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