Workout
Question 1(a): 45cm squared
Question 1(b): 156.3cm squared
Question 1(c): 52.6cm squared
Question 1(d): 69.3cm squared
Question 1(e): 27.6m squared
Question 1(f): 41.97 square miles
Question 2(a): 72.32 cm squared
Question 2(b): 28.6 cm squared
Question 2(c): 33.1cm squared
Question 3(a): 31.3 cm squared
Question 3(b): 470.1 cm squared
Question 3(c): 50.1 mm squared
Question 4(a): 8.5cm
Question 4(b): 7cm
Question 4(c): 7.9cm
Question 5(a): 78.9 degrees
Question 5(b): 31.6 degrees
Question 5(c): 30 degrees
Apply
Question 1(a): 12.7 cm squared
Question 1(b): 81.97 cm squared
Question 1(c): 367.4 cm squared
Question 2: 26.9cm squared
Question 3: 993 square metres
Question 4: 44.959 cm squared
Question 5: 36.862 cm squared
Question 6: Video
sine, sin, triangles
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