4MA0 Higher June 2012 Paper 3 Q4

EdexcelHigherOld spec3 marksPythagoras

Right-angled triangle with shorter sides 3.7 cm and 5.6 cm and hypotenuse x cm

Diagram NOT accurately drawn

Work out the value of \(x\).
Give your answer correct to 3 significant figures.

(3)

Mark scheme

Scheme	Marks
\(5.6^2 + 3.7^2\) or 31.36 + 13.69 or 45.05	M1
\(\sqrt{5.6^2 + 3.7^2}\)	M1
6.71	A1
	(Total 3 marks)

Notes

M1: for squaring and adding

M1: (dep) for square root

A1: for answer rounding to 6.71

Apart from Questions 9, 13, 18, 20 and 21 (where the mark scheme states otherwise) the correct answer, unless clearly obtained by an incorrect method, should be taken to imply a correct method.