40 bài tập trắc nghiệm mặt trụ mức độ nhận biết

A \(24\pi \).

B \(12\pi \).

C \(6\pi \).

D \(20\pi \).

A \(V = 2\pi rh\)

B \(V = \dfrac{1}{3}\pi {r^2}h\)

C \(V = \pi rh\)

D \(V = \pi {r^2}h\)

A \(\pi R\left( {R + l} \right)\)

B \(2\pi R\left( {R + l} \right)\)

C \(\pi Rl\)

D \(4\pi Rl\)

A \(\pi al\)       

B \(4\pi al\)     

C \(2\pi al\)

D \(\dfrac{1}{2}\pi al\)

A \(8\pi {a^2}\)

B \(5\pi {a^2}\)

C \(6\pi {a^2}\)

D \(4\pi {a^2}\)

A \(48\pi \)

B \(160\pi \)

C \(80\pi \)

D \(24\pi \)

A \(4\pi \)

B \(8\pi \)

C \(24\pi \)

D \(12\pi \)

A \(\pi {a^3}\)

B \(\dfrac{4}{3}\pi {a^3}\)

C \(2\pi {a^3}\)

D \(\dfrac{1}{3}\pi {a^3}\)

A \(15\pi .\)

B \(45\pi .\)

C \(30\pi .\)

D \(10\pi .\)

A \(V = \sqrt 2 \pi \)

B \(V = 2\pi \)

C \(V = \dfrac{{\sqrt 2 \pi }}{3}\)

D \(V = \dfrac{{2\pi }}{3}\)

A \(6\pi {a^3}\)

B \(9\pi {a^3}\)

C \(3\pi {a^3}\)

D \(\pi {a^3}\)

A \(2a\)

B \(\dfrac{a}{2}\)

C \(a\)

D \(\dfrac{a}{4}\)

A \(1\)

B \(2\)

C \(\pi \)

D \(2\pi \)

A \(V = 16\pi \,\,c{m^3}\)

B \(V = 48\pi \,\,c{m^3}\)

C \(V = 12\pi \,\,c{m^3}\)

D \(V = 36\pi \,\,c{m^3}\)

A \(100c{m^2}\)

B \(50c{m^2}\)

C \(100\pi c{m^2}\)  

D \(50\pi c{m^2}\)

A Hình tròn.

B Khối trụ.

C Mặt trụ.

D Hình trụ.

A \(V = \dfrac{1}{3}\pi {r^2}h.\)

B \(V = 3\pi {r^2}h.\)

C \(V = \pi {r^2}h.\)

D \(V = 2\pi {r^2}h.\)

A \({S_{xq}} = \pi {a^2}\)

B \({S_{xq}} = 4\pi {a^2}\)  

C \({S_{xq}} = 2\pi {a^2}\)

D \({S_{xq}} = 10\pi {a^2}\)

A \(V = 12\pi .\)

B \(V = \dfrac{{16\pi \sqrt 3 }}{3}.\)

C \(V = 16\sqrt 3 \pi .\)

D \(V = 4\pi .\)

A \(\pi {a^3}.\)

B \(\dfrac{1}{3}\pi {a^3}.\)

C \({a^3}.\)

D \(\dfrac{1}{3}{a^3}.\)

A \(2\pi Rh\)

B \(4\pi Rh\)

C \(3\pi Rh\)

D \(\pi Rh\)

A \(4\pi rl\)

B \(2\pi rl\)

C \(\pi rl\)

D \(\dfrac{1}{3}\pi rl\)

A \(3\pi \)  

B \(3\)  

C \(1\)  

D \(\pi \)  

A \(S = 35\pi \left( {c{m^2}} \right)\)

B \(S = 70\pi \left( {c{m^2}} \right)\)

C \(S = \dfrac{{70}}{3}\pi \left( {c{m^2}} \right)\)

D \(S = \dfrac{{35}}{3}\pi \left( {c{m^2}} \right)\)

A \(8\pi {a^3}.\)

B \(16\pi {a^3}.\)

C \(6\pi {a^3}.\)

D \(\dfrac{{16\pi {a^3}}}{3}.\)

A \(360\pi \,\,\left( {c{m^3}} \right)\)

B \(320\pi \,\,\left( {c{m^3}} \right)\)

C \(340\pi \,\,\left( {c{m^3}} \right)\)

D \(300\pi \,\,\left( {c{m^3}} \right)\)

A \(\pi {a^2}\sqrt 3 .\)

B \(\pi {a^3}\sqrt 3 .\)

C \(\dfrac{1}{3}\pi {a^3}\sqrt 3 .\)

D \(3\pi {a^3}.\)

A \(42\pi \).

B \(12\pi \).

C \(24\pi \).

D \(36\pi \).

A Mặt cầu

B Mặt trụ

C Mặt nón

D Đường tròn

A \(\dfrac{1}{3}\pi {a^3}\).

B \(2{a^3}\).

C \(2\pi {a^3}\).

D \(\pi {a^3}\).

A \(l = h\)

B \(R = h\)

C \({l^2} = {h^2} + {R^2}\)

D \({R^2} = {h^2} + {l^2}\)

A \(2\sqrt {41} \pi \).

B \(6\pi \).

C \(12\pi \).

D \(\sqrt {41} \pi \).

A \(9{a^3}\sqrt 3 \).        

B \(4\pi {a^3}\sqrt 2 \).   

C \(6\pi {a^3}\sqrt 3 \).   

D \(6\pi {a^3}\sqrt 2 \).

A \(V = 12\pi \).              

B \(V = \frac{{16\pi \sqrt 3 }}{3}\).      

C \(V = 16\pi \sqrt 3 \).   

D \(V = 4\pi \).

A Mặt trụ                                   

B Hình nón                                

C Mặt nón                                  

D Hình trụ

A \(\pi {a^2}\)

B \(2{a^2}\)

C \(4\pi {a^2}\)

D \(2\pi {a^2}\)

A  \(40\pi \).                               

B  \(20\pi \).                               

C  \(80\pi \).                               

D  \(160\pi \).

A \(V = 32\pi \).                        

B \(V = 32\sqrt 2 \pi \).             

C \(V = 64\sqrt 2 \pi \).             

D \(V = 128\pi \).

A \(R = 2h\).                   

B \(h = \sqrt 3 R\).                     

C \(R = 3h\).       

D \(h = 2R\).