Question

ME AJUDEMMMMM
Qual a altura do trapezio

area; 276cm²

base maior; 28cm

base menor; 16cm

Answer 1

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$\boxed{\sf{\underline{\acute{A}rea~do~trap\acute{e}zio}}}\\\huge\boxed{\boxed{\boxed{\boxed{\boxed{\sf{A=\dfrac{(B+b)\cdot h}{2}}}}}}}\\\boxed{\begin{array}{c}\sf{A\longrightarrow\acute{a}rea~do~trap\acute{e}zio}\\\sf{B\longrightarrow base~maior}\\\sf{b\longrightarrow base~menor}\\\sf{h\longrightarrow altura~do~trap\acute{e}zio}\end{array}}$

$\sf{A=\dfrac{(B+b)\cdot h}{2}}\\\sf{276=\dfrac{(28+16)\cdot h}{2}}\\\sf{276=\dfrac{44h}{2}}\\\sf{22h=276}\\\sf{h=\dfrac{276}{22}}\\\huge\boxed{\boxed{\boxed{\boxed{\sf{h=12,54~cm}}}}}$