Question

*यूलर के सूत्र का प्रयोग करते हुए, बहुफलक के किनारों की संख्या ज्ञात कीजिए, यदि इसके 10 शीर्ष और 9 फ़लक हैं।*

1️⃣ 21
2️⃣ 5
3️⃣ 3
4️⃣ 17​

Answer 1

Answer:

5. I think confirm it

Step-by-step explanation:

A curved mirror is a mirror with a curved reflecting surface. The surface may be either convex or concave. Most curved mirrors have surfaces that are shaped like part of a sphere, but other shapes are sometimes used in optical devices.