công thức hình học k gian

công thức hình học k gian

9th Grade

12 Qs

quiz-placeholder

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công thức hình học k gian

công thức hình học k gian

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Wayground Content

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

thể tích hình trụ

V = πR2h

V = 2πRh

V = πR2 + h

V = πR2h2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

diện tích toàn phần hình nón

Stp = πRl + πR2

Stp = 2πR + h

Stp = πR2 + 2πRh

Stp = 4/3πR3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

diện tích xung quanh hình nón

Sxq = πRl

Sxq = 2πR^2

Sxq = πR^2h

Sxq = 1/3πR^2h

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

diện tích tam giác ( a là cạnh đáy , h là chiều cao)

@@S=\frac{1}{2}.a.h@@

@@S=a.h@@

@@S=2.a.h@@

@@S=\frac{1}{3}.a.h@@

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

hể tích hình cầu

V=@@ rac{4}{3}@@πR3

V=@@ rac{3}{4}@@πR3

V=@@ rac{2}{3}@@πR3

V=@@ rac{4}{3}@@πR2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

diện tích toàn phần hình trụ

Stp = 2πRh + 2πR2

Stp = πR2h

Stp = 2πR2h

Stp = 2πRh

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

bán kính đường tròn ngoại tiếp hình vuông

@@\frac{a}{\sqrt{2}}

@@\frac{a}{2}

@@a

@@\frac{a\sqrt{2}}{2}

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