《勾股定理的逆定理》巩固自测

$0.3,0.4,0.5$

$3^{2},4^{2},5^{2}$

$3,4,5$

$\frac{1}{3},\frac{1}{4},\frac{1}{5}$

$\angle B+\angle C=90^{\circ}$

$\angle A+\angle C=90^{\circ}$

$\angle A+\angle B=90^{\circ}$

$\angle B=\angle C$