## What does triangle en mean chemistry?

A triangle in a chemical reaction is the capital Greek symbol delta Δ . The symbol means heat in the chemical reaction.

## What does the symbol ∆ mean?

A (usually small) change in value. Often shown using the “delta symbol”: Δ Example: Δx means “the change in the value of x” When we do simple counting the increment is 1, like this: 1,2,3,4,…

## What is Triangle Short answer?

In geometry, a triangle is a closed, two-dimensional shape with three straight sides. A triangle is also a polygon.

## What are the side of a triangle?

In a right triangle, the hypotenuse is the longest side, an “opposite” side is the one across from a given angle, and an “adjacent” side is next to a given angle.

## What is the name of this kind of triangle?

Triangles are shapes with three sides. There are different names for the types of triangles. A triangle’s type depends on the length of its sides and the size of its angles (corners). There are three types of triangle based on the length of the sides: equilateral, isosceles, and scalene.

## What is the triangle shape?

A triangle is a shape, or a part of two dimensional space. It has three straight sides and three vertices. The three angles of a triangle always add up to 180° (180 degrees). It is the polygon with the least possible number of sides.

## How do you classify an acute triangle?

Triangles can also be classified by their angles. In an acute triangle all three angles are acute (less than 90 degrees). A right triangle contains one right angle and two acute angles. And an obtuse triangle contains one obtuse angle (greater than 90 degrees) and two acute angles.

## How do you classify triangles by sides obtuse or acute?

An acute triangle has three angles that each measure less than 90 degrees. An obtuse triangle is a triangle with one angle that is greater than 90 degrees. A right triangle is a triangle with one 90 degree angle.

## What type of triangle is formed by the points?

So, here we can see that all three distances points PQ, QR and PR are unequal. Hence, this is a scalene triangle with no two sides lengths equal. Note: The alternative method to solve this problem is graphically. We will first plot all the points and then draw the line joining them to form a triangle.

## How do you determine a triangle by its side lengths?

3. Use the side lengths to classify the triangle as acute, right, or obtuse. Classify the triangle as acute, right, or obtuse. Compare the square of the length of the longest side with the sum of the squares of the lengths of the two shorter sides.

## How do you use the Pythagorean theorem to determine a triangle?

The converse of the Pythagorean theorem is a rule that is used to classify triangles as either right triangle, acute triangle, or obtuse triangle. Given the Pythagorean Theorem, a2 + b2 = c2, then: For an acute triangle, c2< a2 + b2, where c is the side opposite the acute angle.

## What are the sides of an acute triangle?

Properties of Acute Triangles An equilateral triangle has three sides of equal length and three equal angles of 60°. An acute triangle has three inscribed squares. Each square coincides with a part of a triangle side. The other two vertices of a square are on the two remaining sides of the acute triangle.

## How do you find the longest side of an acute triangle?

Correct answer: To determine whether the triangle is acute, right, or obtuse, add the squares of the two smaller sides, and compare the sum to the square of the largest side. Since this sum is greater, the triangle is acute.

## What type of triangle is an acute triangle?

An acute triangle (or acute-angled triangle) is a triangle with three acute angles (less than 90°). An obtuse triangle (or obtuse-angled triangle) is a triangle with one obtuse angle (greater than 90°) and two acute angles.