Which triangle has the smallest area?

Which triangle has the smallest area?

Among constant-width shapes with a given width, the Reuleaux triangle has the minimum area and the sharpest (smallest) possible angle (120°) at its corners.

What is the little square in a triangle called?

The notation for the right angle in a right triangle (or any other right angle) is a little square in the corner. Little tick marks are used to show that two sides are the same length (congruent). You can use just one tick mark, two or three or more — just as long as you use the same number on sides that are equal.

What is triangle of square?

A triangle is a polygon with three sides. A diagonal of a rectangle separates the rectangle into two congruent triangles. The area of each triangle is one-half the area of the rectangle. So, the area A of a triangle is given by the formula A=12bh where b is the base and h is the height of the triangle.

Which is the smallest angle?

Answer: ∠ B, Smallest angle is the angle opposite to smallest side.

Which side of triangle ERM is the shortest?

Relationship of sides to interior angles in a triangle In any triangle: The shortest side is always opposite the smallest interior angle. The longest side is always opposite the largest interior angle.

What does the little triangle mean in geometry?

In trigonometry, lower-case delta (δ) represents the area of a triangle. B. Uppercase delta (Δ) at oftentimes means “change” or “the change” in maths.

Why square is called square?

In classical times, the second power was described in terms of the area of a square, as in the above formula. This led to the use of the term square to mean raising to the second power.

Is a triangle a type of square?

Of course a triangle cannot be a square, but a triangular number can be a square number. These numbers are called triangle numbers because you can form a triangle by having a row of one coin, two coin, three coins, etc.