Trắc nghiệm Hai góc đối đỉnh có đáp án (Thông hiểu) !!

A. $\widehat{x\text{'}Oy}={135}^o$

B. $\widehat{x\text{'}Oy\text{'}}={45}^o$

C. $\widehat{xOy\text{'}}={135}^o$

D. $\widehat{x\text{'}Oy\text{'}}={135}^o$

A. $\widehat{xOy}={125}^o$

B. $\widehat{x\text{'}Oy\text{'}}={105}^o$

C. $\widehat{xOy\text{'}}={55}^o$

D. $\widehat{x\text{'}Oy\text{'}}={125}^o$

A. $\widehat{zOt}=\widehat{z\text{'}Ot\text{'}}={72}^o$

B. $\widehat{zOt}=\widehat{z\text{'}Ot\text{'}}={30}^o$

C. $\widehat{zOt}=\widehat{z\text{'}Ot\text{'}}={36}^o$

D. $\widehat{zOt}={72}^o;\widehat{z\text{'}Ot\text{'}}={36}^o$

A. $\widehat{z\text{'}Ot\text{'}}=\widehat{zOt}={45}^o$

B. $\widehat{z\text{'}Ot\text{'}}=\widehat{zOt}={105}^o$

C. $\widehat{z\text{'}Ot\text{'}}=\widehat{zOt}={135}^o$

D. $\widehat{zOt}={105}^o;\widehat{z\text{'}Ot\text{'}}={45}^o$

A. ${124}^o$

B. ${142}^o$

C. ${65}^o$

D. ${56}^o$

A. ${108}^o$

B. ${31}^o$

C. ${118}^o$

D. ${62}^o$

A. $\widehat{O_1}={20}^o;\widehat{O_2}={160}^o$

B. $\widehat{O_1}=\widehat{O_2}={160}^o$

C. $\widehat{O_1}={160}^o;\widehat{O_2}={100}^o$

D. $\widehat{O_1}=\widehat{O_2}={20}^o$

A. $\widehat{xOy\text{'}};\widehat{x\text{'}Oy\text{'}}$

B. $\widehat{xOy};\widehat{x\text{'}Oy\text{'}}$

C. $\widehat{xOy\text{'}};\widehat{x\text{'}Oy}$

D. $\widehat{x\text{'}Oy};\widehat{xOy}$

A. $\widehat{nOm};\widehat{yOm}$

B. $\widehat{nOm};\widehat{yOn}$

C. $\widehat{xOm};\widehat{yOn}$

D. $\widehat{xOm}$