Question

sabendo que a base maior de um trapezio medem 12 cm , base menor mede 34 cm e a sua altura mede 5 cm calcule sua area

Answer 1

$B=34cm\\ b=12cm \\ h=5cm\\ \\\\A= \frac{(B+b)*h}{2} \to \\\\\\A= \frac{(24+12)*5}{2} \to\\\\ A= \frac{46*5}{2} \to \\\\ A= \frac{230}{2} \to\\\\ A=115cm ^{2}$