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1. ABCD সামান্তরিকের ∠B=75° হলে ∠A এর মান কত?
- A. 75 °
- B. 75 °
- C. 75 °
- D. 75 °
Answer: Option C
Explanation:
Here,
∠B=∠C=75°
So, (360-75×2)°=210°
∠A+∠D=210°
So, ∠A=(210/2)°=105°
(ans)
∠B=∠C=75°
So, (360-75×2)°=210°
∠A+∠D=210°
So, ∠A=(210/2)°=105°
(ans)
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