3 years ago

С

Mathematics

2 answers:

zimovet [89]3 years ago

7 0

Answer:

Step-by-step explanation:

pantera1 [17]3 years ago

5 0

9514 1404 393

Answer:

a) CD = 5.7

b) ED = 3.05

Step-by-step explanation:

Triangle ABE is similar to triangle ACD by AA similarity. This means we can write the proportions ...

a) CD/BE = AC/AB

CD = BE(AC/AB) = 3.8(12.3/8.2)

CD = 5.7

b) ED/AD = BC/AC

ED = AD((AC -AB)/AC) = 9.15(12.3 -8.2)/12.3

ED = 3.05

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