• A. $০°$
• B. $৯০°$
• C. $৪৫°$
• D. $১৮০°$

Answer: Option B

Explanation:

• A. $0°$
• B. $45°$
• C. $x\_90$
• D. $x°$

Answer: Option D

Explanation:

• A. $30°$
• B. $45°$
• C. $60°$
• D. $0°$

Answer: Option C

Explanation:

• A. 60 ডিগ্রী
• B. 75ডিগ্রী
• C. 30ডিগ্রী
• D. 45ডিগ্রী

Answer: Option D

Explanation:

• A. 80°
• B. 90°
• C. 100°
• D. 120°

Answer: Option B

Explanation:

• A. $30°$
• B. $60°$
• C. $80°$
• D. $90°$

Answer: Option D

Explanation:

• A. 30°
• B. 45°
• C. 60°
• D. 120°

Answer: Option B

Explanation:

• A. $1$
• B. $0$
• C. $\frac{1}{\sqrt{2}}$
• D. $1/2$

Answer: Option B

Explanation:

• A. 24
• B. 4
• C. 16
• D. 32

Answer: Option C

Explanation:

• 
• A. $90°$
• B. $55°$
• C. $45°$
• D. $35°$

Answer: Option D

Explanation:

• A. $42°$
• B. $32°$
• C. $48°$
• D. $38°$

Answer: Option A

Explanation:

• A. $6$একক
• B. $12$একক
• C. $20$একক
• D. $24$একক

Answer: Option B

Explanation:

• A. $90°$
• B. $120°$
• C. $105°$
• D. $160°$

Answer: Option C

Explanation:

• A. $45°$
• B. $22.5°$
• C. $30°$
• D. $60°$

Answer: Option C

Explanation:

• A. $110°$
• B. $100°$
• C. $90°$
• D. $80°$

Answer: Option A

Explanation: