Explanation

Step 1:

We know:

$$1m=100cm$$

So,

1m^3=(100)^3=1,000,000cm^3

Step 2:

2.5m^3=2.5×1,000,000
=2,500,000cm^3

Last updated question by NA on 07 May 2026

Explanation

• From a point outside a circle, exactly two tangents can be drawn.
• These tangents touch the circle at two distinct points.
• Both tangents are equal in length from the external point.

Last verified on 07-06-2026

Explanation

This is a Pythagorean trig identity:  

sec²θ = 1 + tan²θ

So sec²θ - tan²θ = 1

Last verified on 07-05-2026

Explanation

sinθ = 5/13 → right triangle with opposite = 5, hypotenuse = 13  

Adjacent = √(13² - 5²) = √(169 - 25) = √144 = 12  

tanθ = opposite/adjacent = 5/12  

Last verified on 07-05-2026

Explanation

• If two triangles have equal heights, their areas depend only on their bases.
• Area of triangle = ½ × base × height.
• With same height, the ratio of areas equals the ratio of their bases.

Last verified on 07-05-2026