Triangle ABC is similar to triangle DEF and has a ratio of similarity of 15:7. If side BC measures 8 mm, how long is side EF?
1 answer:
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Using the law of cosine for Triangle KJL, we can write:
Using the values of k,j and l, we can write:
Rounding to nearest integer, the measure of angle J will be 48 degrees.
So option B gives the correct answer
Using the values of k,j and l, we can write:
Rounding to nearest integer, the measure of angle J will be 48 degrees.
So option B gives the correct answer