Question

Solve the 1st sum as much as u can

Answer 1

HOLA

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$de \: || \: bc \\ \\ \frac{ad}{ab} \: \: = \: \frac{ae}{ec} \\ \\ \\ \frac{3.6}{10} = \: \frac{4.5}{x } \\ \\ 4.5 \: \times \: 10 \: = \: 45 \: \div \: 3.6 \: = \: 12.5 \\ \\ ac \: \: = \: 12.5cm \\ \\ 12.5 - \: 4.5 \: = \: 8 \\ \\ ec \: = \: 8cm$

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HOPE U UNDERSTAND ☺☺☺

Answer 2

AD/AB=AE/AC or3•6/10=4•5/AC orAC=450/36=25/2=12•5cm andEC=12•5_4•5=8cm