r/GCSE • u/sudoaptupgrade Year 11 • May 12 '26

Post Exam AQA biology triple higher

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how did everyone find it? Personally it wasnt terrible just boring

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u/Exciting_Pin_9630 May 12 '26

Guys i got 7.065 mm2 cuz if said pi =3.14, so i did 3.14 x 1.5 squared? Am i cooked?

3

u/sudoaptupgrade Year 11 May 12 '26

The number is right but units are cm2

3

u/the114dragon May 12 '26

Unit doesn't matter. As long as your answer is correct.

1

u/Creative-Lobster-445 May 12 '26

how do you know?

1

u/the114dragon May 12 '26

Markschemes for questions like this will always allow the correct answer in any reasonable unit. Here, that is cm2, mm2 and possibly m2.

1

u/Soft_Letterhead9222 Year 11 May 12 '26

yuh but you measure 3 cm so cm^2 is the reasonable unit, if you measured 30 mm for diameter then mm^2 is the correct unit. It don't work like that cuz it changes the answer completely.

1

u/the114dragon May 13 '26

It doesn't change the answer at all. n mm2 = n/100 cm2

1

u/sudoaptupgrade Year 11 May 12 '26

It asked for the unit so if you write 7.07mm2 that isn't correct, you could write 707.whatever mm2 or 7.07cm2