10. Triangle ABC is similar to triangle DEF. 15 cm 5 cm B 3 cm C 9 cm F Which proportion can be used to find the length of DE in centimeters?​

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

How can you construct perpendicular lines and prove theorems about perpendicular lines

What is the missing statement in step 4? ? rts ? ? vtu and ? rtu ? ? vts ? rts ? ? rvs and ? rtu ? ? stv ? vrs ? ? vru and ? usr ? ? usv ? vur ? ? vus and ? uvs ? ? sru