Free Printable Hệ thức lượng trong tam giác thường

1.

$a^2=...^2+c^2-2bc\text{c}os\alpha$

a)

$b$

b)

$a$

c)

$m_a$

d)

$R$

2.

$a^2=...^2+c^2-2bc\text{c}osA$

a)

$b$

b)

$a$

c)

$m_a$

d)

$R$

3.

$b^2=...^2+c^2-2ac\text{c}osB$

a)

$b$

b)

$a$

c)

$m_a$

d)

$R$

4.

$b^2=...^2+c^2-2ac\text{c}osB$

a)

$b$

b)

$a$

c)

$m_a$

d)

$R$

5.

$c^2=a^2+b^2-2ab...$

a)

$\text{c}osC$

b)

$\text{c}osB$

c)

$\sin B$

d)

$\sin C$

6.

$m_a^2=\frac{2\left(b^2+c^2\right)-a^2}{...}$

a)

4

b)

2

c)

3

d)

1

7.

$\frac{a}{\sin A}=2...$

a)

$R$

b)

$b$

c)

$c$

d)

$\text{c}osA$

8.

$\frac{a}{\sin A}=\frac{...}{\sin B}$

a)

b

b)

a

c)

c

d)

R

9.

$...^2=\frac{2\left(a^2+b^2\right)-c^2}{4}$

a)

$m_c$

b)

$m_b$

c)

$m_a$

d)

$R$

Hệ thức lượng trong tam giác thường

Total questions: 9

Worksheet time: 5mins

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