Two acute triangles have perimeters of 20 meters and 100 meters respectively. How many times greater is the perimeter of the lar
2 answers:
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Answer:
PQ = 16
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos60° = , then
cos60° = =
=
=
( cross- multiply )
PQ = 8 × 2 = 16
