Question

answer the question ​

Answer 1

Answer:

c 30

Step-by-step explanation:

traongle have 3 sides

Answer 2

Here, Two triangles given are similar to one another.

→ Thus, their corresponding angles are equal & corresponding sides are proportional.

Now,

$\bf \: ∆PQR \sim \: ∆ZYX$

Here,

$\red{ \tt{PQ/ZY = PR/ZX = QR/YX}} \\ \\ \to \frac{4.2}{8.4} = \frac{3 \sqrt{3} }{6 \sqrt{3} } = \frac{7}{14} \\ \\ \to \frac{1}{2} = \frac{1}{2} = \frac{1}{2}$

Also,

$\angle P = \angle Z \\ \angle Q = \angle Y \\ \angle R = \angle X$

Therefore,

$\angle X = \angle R \\ \\ \angle R = 180\degree - (60 + 70) \degree \\ \angle R =180\degree - 130\degree \\ \angle R = 50\degree$

Hence,

$\huge \sf \red{ \angle X = 50 \degree}$