CB² = AB² + CA²
17² = 8² + CA²
289 = 64 + CA²
225 = CA²
CA = 15
DA² = CA² + DC²
25² = 15² + DC²
625 = 225 + DC²
400 = DC²
DC = 20
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
CB² = AB² + CA²
17² = 8² + CA²
289 = 64 + CA²
225 = CA²
CA = 15
DA² = CA² + DC²
25² = 15² + DC²
625 = 225 + DC²
400 = DC²
DC = 20