Top answers

The perimeter of a right angled triangle is 105cm. The lengths of its sides are in the ratio of 2:6:7. Work out the area of the triangle.

Add up ratios: 2+6+7=15Divide perimeter by ratio total, to figure out how big the scale of the triangle is: 105/15=7Multiply each separate figure in the ratio by the scale factor (7): 2x7 : 6x7 : 7x714 : 42 ...
MH
Answered by Megan H. • Maths tutor
4524 Views

What are the ecological impacts of a changing climate?

There is growing evidence of the ecological impacts of recent climate change in all biomes. Plant and animal species are responding to changes in air temperature, soil moisture and water salinity. Every spec...
RO
Answered by Ruby O. • Geography tutor
2159 Views

Name two features of a plant cell that are not found in animal cells

Chloroplasts, Vacuole filled with sap
RO
Answered by Ruby O. • Biology tutor
2749 Views

Describe and Explain the trend in Volatility of Group 7 Elements

The group 7 elements become less volatile as you go down the group. This is because as you go down the group the molecules become larger and contain more electrons. Therefore there are Greater London forces ...
RO
Answered by Ruby O. • Chemistry tutor
20730 Views

Name the three steps in free radical substitution and give an example equation for each

Initiation: Cl2 (+UV) -> Cl + Cl Propagation: Cl + CH4 -> HCl + CH3 Termination: CH3 + Cl -> CH3Cl
AG
Answered by Arwen G. • Chemistry tutor
2498 Views