Neco 2017 Mathematics Question 13

Practice essay / theory question 13 from the 2017 Neco Mathematics examination. This question covers plane geometry, trigonometry, mensuration .

Neco 2017 Mathematics Essay / Theory

Topics: plane geometry trigonometry mensuration

Question 13 NECO • 2017 • MATHEMATICS • essay

In triangle \(ABC\), \(\angle A = 40^{\circ}\), \(\angle B = 70^{\circ}\) and side \(AB = 12\) cm. Let \(D\) be a point on \(BC\) such that \(BD:DC = 1:2\).

( a )

Find the length of side \(AC\).

( b )

Find the length of side \(BC\) (give your answer correct to two decimal places).

( c )

Determine the length of \(BD\) (give your answer correct to two decimal places).

( d )

Find the area of triangle \(ABD\) (give your answer correct to two decimal places).

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This is Neco 2017 Mathematics Question 13. It is one of the essay questions from the 2017 Neco Mathematics examination.

The question covers plane geometry, trigonometry, mensuration .

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