Explanation

Area of flag = 3 m × 2 m = 6 m²  

Cost = 6 × Rs. 75 = Rs. 450  

Last verified on 14-04-2026

Explanation

• The space occupied by a 3-dimensional object is called volume.
• It measures how much space an object contains inside.
• It is a fundamental concept in Geometry.
• It is always measured in cubic units.

Last verified on 14-04-2026

Explanation

We use the triangle angle rule

A+B+C=180∘

50∘+40∘=90∘

180∘−90∘=90∘

 Last updated NA 13-04-2026

Explanation

Surface area of a cube = 6 × (edge)²  

= 6 × 5² = 6 × 25 = 150  

Last verified on 12-04-2026

Explanation

• The in-center is the point where all three internal angle bisectors of a triangle meet.
• It is always located inside the triangle.
• The in-center is the center of the incircle (circle inside the triangle).
• It is equally distant from all sides of the triangle.

Last verified on 12-04-2026