Ted is constructing an equilateral triangle. He draws a segment with his straightedge and labels the endpoints A and B. He then
puts the compass point on A, opens the compass until the pencil point is on B, and draws a circle.
Which move is a correct next step for Ted?
Keep the same compass opening, place the compass point on B, and draw a circle.
Shorten the compass opening, place the compass point on B, and draw two arcs that intersect the circle.
Keep the same compass opening, place the compass at the midpoint of the segment, and draw a circle.
Widen the compass opening, place the compass point on B, and draw a circle.
1 answer:
Answer:
Step-by-step explanation:
Keep the same compass opening, place the compass point on B, and draw a circle.
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SinA /a = sin C / c
sin 60/9 = sin C / 10
(√3/2)/9 = sinC/ 10
√3/18 = sin C / 10
so c will be sin inverse ((10√3)/10)
