Shape and Space 3
2 marks · NormalA triangle has a tangent ratio of 1.0 at one of its angles. Write down the value of that angle to the nearest degree.
Show answer
45 ° (±1)
Common mistakes: Not using the inverse tan; Confusing ratio and value
Show mark scheme and worked solution
Marking points
A1 · 2 marks · Correctly states the angle is 45° (accept 44–46°)
Worked solution
tan^(-1)(1.0) = 45°