# I'm so confused can anyone help :( apart from the first question ( a=10 ect )?

### 1 Answer

Relevance

- Daniel HLv 58 months ago
Very blurry image. My numbers below might not match

m = c/100

if c = 320 them m = 320/100 = 3.2

P = 2a + 2b

P = 2x5 + 2x7

P = 10 + 14

P = 24

d = n(n-2)/2

if n = 14

d = 14(12)/2 = 84 which is not 83

can't read last one well enough

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