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Solve a practical right-angled-triangle problem

DIFFICULTYstandardchallenge
QUESTION TYPEMix of allChange
Find an angle: set AFind an angle: set BFind an angle: set CNOWMix of allRecommended
Question 1 of 8

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A taut stay cable supports a vertical radio antenna from a peg on level ground. A is the ground peg; B is the cable attachment on the antenna; C is the base of the antenna

Triangle ABC: AC is horizontal; CB is vertical upwards; AB slopes upwards from A. Right angle at C. The angle from ray AC to ray AB is θ. AB = 25 m; BC = 15 m. Not to scale.25 m15 mABCθ
AC horizontal; CB vertical. Not to scale
1 mark

Calculate the marked angle in degrees, to 1 decimal place

Format: 1 d.p.