Trắc nghiệm Tổng ba góc của một tam giác có đáp án (Vận dụng)

A. $\hat{B}={60}^o$

B. $\hat{B}={90}^o$

C. $\hat{B}={40}^o$

D. $\hat{B}={80}^o$

A. $\hat{A}={45}^o$

B. $\hat{A}={60}^o$

C. $\hat{A}={75}^o$

D. $\hat{A}={30}^o$

A. $\hat{B}={60}^o,\hat{C}={20}^o$

B. $\hat{B}={20}^o,\hat{C}={60}^o$

C. $\hat{B}={70}^o,\hat{C}={20}^o$

D. $\hat{B}={80}^o,\hat{C}={30}^o$

A. $\hat{B}={70}^o,\hat{C}={40}^o$

B. $\hat{B}={60}^o,\hat{C}={50}^o$

C. $\hat{B}={70}^o,\hat{C}={60}^o$

D. $\hat{B}={50}^o,\hat{C}={60}^o$

A. $\widehat{AMC}={120}^o,\widehat{BMC}={60}^o$

B. $\widehat{AMC}={80}^o,\widehat{BMC}={100}^o$

C. $\widehat{AMC}={110}^o,\widehat{BMC}={70}^o$

D. $\widehat{AMC}={100}^o,\widehat{BMC}={80}^o$

A. $\widehat{ADC}={100}^o$

B. $\widehat{ADC}={120}^o$

C. $\widehat{ADC}={130}^o$

D. $\widehat{ADC}={110}^o$

A. $\hat{A}={60}^o;\hat{C}={40}^o$

B. $\hat{A}={30}^o;\hat{C}={50}^o$

C. $\hat{A}={40}^o;\hat{C}={60}^o$

D. $\hat{A}={40}^o;\hat{C}={30}^o$

A. $\hat{B}={70}^o,\hat{C}={50}^o$

B. $\hat{B}={30}^o,\hat{C}={60}^o$

C. $\hat{B}={40}^o,\hat{C}={80}^o$

D. $\hat{B}={80}^o,\hat{C}={40}^o$

A. ${40}^o$

B. ${50}^o$

C. ${60}^o$

D. ${70}^o$

A. ${45}^o$

B. ${55}^o$

C. ${60}^o$

D. ${30}^o$

A. $\widehat{BEC}>{90}^o$

B. $\widehat{BEC}<{90}^o$

C. $\widehat{BEC}>\widehat{EBA}$

D. $\widehat{BEC}>\widehat{ECB}$

A. $\widehat{ABE}={70}^o,\widehat{BEC}={110}^o$

B. $\widehat{ABE}={106}^o,\widehat{BEC}={74}^o$

C. $\widehat{ABE}={74}^o,\widehat{BEC}={106}^o$

D. $\widehat{ABE}={60}^o,\widehat{BEC}={120}^o$

A. ${80}^o$

B. ${110}^o$

C. ${100}^o$

D. ${105}^o$

A. $\widehat{ADC}={80}^o,\widehat{BDC}={100}^o$

B. $\widehat{ADC}={70}^o,\widehat{BDC}={110}^o$

C. $\widehat{ADC}={80}^o,\widehat{BDC}={120}^o$

D. $\widehat{ADC}={60}^o,\widehat{BDC}={120}^o$

A. $\hat{B}={60}^o$

B. $\hat{B}={90}^o$

C. $\hat{B}={40}^o$

D. $\hat{B}={80}^o$

A. $\hat{A}={45}^o$

B. $\hat{A}={60}^o$

C. $\hat{A}={75}^o$

D. $\hat{A}={30}^o$

A. $\hat{B}={60}^o,\hat{C}={20}^o$

B. $\hat{B}={20}^o,\hat{C}={60}^o$

C. $\hat{B}={70}^o,\hat{C}={20}^o$

D. $\hat{B}={80}^o,\hat{C}={30}^o$

A. $\hat{B}={70}^o,\hat{C}={40}^o$

B. $\hat{B}={60}^o,\hat{C}={50}^o$

C. $\hat{B}={70}^o,\hat{C}={60}^o$

D. $\hat{B}={50}^o,\hat{C}={60}^o$

A. $\widehat{AMC}={120}^o,\widehat{BMC}={60}^o$

B. $\widehat{AMC}={80}^o,\widehat{BMC}={100}^o$

C. $\widehat{AMC}={110}^o,\widehat{BMC}={70}^o$

D. $\widehat{AMC}={100}^o,\widehat{BMC}={80}^o$

A. $\widehat{ADC}={100}^o$

B. $\widehat{ADC}={120}^o$

C. $\widehat{ADC}={130}^o$

D. $\widehat{ADC}={110}^o$

A. $\hat{A}={60}^o;\hat{C}={40}^o$

B. $\hat{A}={30}^o;\hat{C}={50}^o$

C. $\hat{A}={40}^o;\hat{C}={60}^o$

D. $\hat{A}={40}^o;\hat{C}={30}^o$

A. $\hat{B}={70}^o,\hat{C}={50}^o$

B. $\hat{B}={30}^o,\hat{C}={60}^o$

C. $\hat{B}={40}^o,\hat{C}={80}^o$

D. $\hat{B}={80}^o,\hat{C}={40}^o$

A. ${45}^o$

B. ${55}^o$

C. ${60}^o$

D. ${30}^o$

A. $\widehat{ABE}={70}^o,\widehat{BEC}={110}^o$

B. $\widehat{ABE}={106}^o,\widehat{BEC}={74}^o$

C. $\widehat{ABE}={74}^o,\widehat{BEC}={106}^o$

D. $\widehat{ABE}={60}^o,\widehat{BEC}={120}^o$

A. ${80}^o$

B. ${110}^o$

C. ${100}^o$

D. ${105}^o$

A. $\widehat{ADC}={80}^o,\widehat{BDC}={100}^o$

B. $\widehat{ADC}={70}^o,\widehat{BDC}={110}^o$

C. $\widehat{ADC}={80}^o,\widehat{BDC}={120}^o$

D. $\widehat{ADC}={60}^o,\widehat{BDC}={120}^o$