# Help me with Maths igcse past papers.?

My final result was 5, but the answer says that it is 6.

I dont understamd why, could you pls explain or give me the working out?

Thank uuu

### 1 Answer

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- Φ² = Φ+1Lv 72 months ago
Let ϵ be a small positive number, near but not equal to 0

A = 10.5 - ϵ, so round(A) = 10 and h = 3.5, so round(h) = 4.

A = bh/2, so h = 2A/b = 2(10.5-ϵ) / 3.5 = 6 - 4ϵ/7

again ϵ is positive and very nearly 0, so A < 6 (the boundary / limit is 6)

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