Top answers

If a right-angled triangle has one side measuring 8cm and another measuring 15cm, what is the length of the hypotenuse?

What is meant by the word hypotenuse? The hypotenuse is the side of a triangle opposite to the right angle. It is the longest of the three sides and can often be identified as the 'diagonal' side of the tria...
RR
Answered by Rosanna R. • Maths tutor
4806 Views

How should I structure my essay?

Read the question and think of your top 3-4 factors which explain the question. Have a clear line of argument throughout the essay. Introduce information relevant to your essay (this can include statistics),...
EW
Answered by Elliot W. • History tutor
2090 Views

When should I use ser and estar in Spanish?

Ser is used for concrete facts and descriptions of things that are not likely to change. E.g. He is tall - Es alto. This uses ser as being tall is not something that changes and is usually a concrete fact ab...
EW
Answered by Elliot W. • Spanish tutor
2288 Views

Explain why the noble gases are inert.

Atoms in group 8 have a full outer electron shell. This means they don't have a tendency to lose, gain or share electrons with other elements to achieve a full outer shell. This explains why they don't form ...
CP
3740 Views

Why can gases be compressed but liquids and solids can't?

The particles in a gas are widely spaced and move around freely. This means they will move to fit into any space but in liquids and gases the particles are more closely packed so cannot be compressed.
CP
31502 Views