In ABC,AB 4 cm and A 70°
a) Sketch a diagram to show that there are two triangles with BC 3.8 cm.
b)To the nearest degree,measure C for each triangle.
c) To the nearest hundredth of a centimetre,calculate the length of BC for which ABC is a right triangle.
Answer:
a)
b) ?C= 98° or 82°
c)
Mathematics
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