Construct ΔXYZ such that XY = 6 cm, ∠X = 30°, and ∠Y = 100°. The length of YZ is .
A
4.9 cm
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B
4.5 cm
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C
3.9 cm
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Solution
The correct option is C 3.9 cm Steps of construction:
Step 1: Draw line segment XY = 6 cm.
Step 2: At X, construct ∠X = 30°.
Step 3: At Y, construct ∠Y = 100°.
Step 4: Mark the intersection point as Z.
From the above construction, measure the length of YZ using ruler.
YZ = 3.9 cm