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Trigonometry — Question 253

Original QCE Vault practice · 1 mark

Q253 · Practice questionTechnology-freeSimple familiar1 mark

QUESTION 253

In triangle

ABC

,

AB=7

cm,

AC=5

cm and

\angle BAC=60^\circ

. The length

BC

is

Triangle ABC: AB=7 cm, AC=5 cm, angle BAC=60 degrees. Not to scale.

(A)

\sqrt{39}

cm

(B)

\sqrt{74}

cm

(C)

\sqrt{109}

cm

(D)

12

cm

ABCD

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