Lavern Kman asked, updated on December 31st, 2021; Topic:
triangles

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**Right triangles** are **triangles** in which one of the interior angles is 90 degrees, a **right** angle. Since the three interior angles of a **triangle add up to 180** degrees, in a **right triangle**, since one angle is always 90 degrees, the other two must always **add up to** 90 degrees (they are complementary).

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That being so, how much does a right triangle add up to?

Explanation: The **sum** of the angles in a **triangle** is 180. A **right triangle** has one angle of 90. Thus, the **sum** of the other two angles will be 90.

So, what are the 3 sides of a right 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**. We use special words to describe the sides of right triangles.

Short, how do a right triangle look?

A **right triangle** consists of two legs and a hypotenuse. The two legs meet at a 90° angle and the hypotenuse is the longest side of the **right triangle** and is the side opposite the **right** angle. There **are** a couple of special types of **right triangles**, like the 45°-45° **right triangles** and the 30°-60° **right triangle**.

What are the rules of a right triangle?

The Pythagorean **theorem** states that: In any right triangle, the area of the square whose side is the hypotenuse (the side opposite the right angle) is equal to the sum of the areas of the squares whose sides are the two legs (the two sides that meet at a right angle).

No, real, **triangle can have three right angles**. ... The sum of the **angles** formed must equal 180° and the sum of the length of two sides must be greater than the length of the third. A **right angle** takes up half of the 180°, so the remaining 90° must be split between the other two **angles**.

The answer I thought of is that all **triangles add up** to the same number of degrees because any **triangle** is a "variant" of an equilateral **triangle**, that **adds** to **180**. When you deform it (by stretching it and changing its **angles**), one side may get a bigger **angle**, but that means the others get smaller **angles**.

The right triangle: The right triangle has one **90** degree angle and two acute (< **90** degree) angles. Since the sum of the angles of a triangle is always **180** degrees...

In a **right triangle**, the side that is opposite of the 90° **angle** is the longest side of the triangle, and is called the **hypotenuse**.

The term is a calque of Latin angulus rectus; here rectus means "upright", referring to the vertical perpendicular to a horizontal base line. ... The presence of a **right angle** in a **triangle** is the defining factor for **right triangles**, making the **right angle** basic to trigonometry.

Answer and Explanation: Yes, a **right triangle** can have side lengths **5**, **12**, and **13**.

They are equal, and thus, the **triangle** is a **right triangle**. ... These sides are **6**: **8**: **10**, then the **triangle** is a **right** one.

Introduction: Pythagorean Theorem The formula is **A2** + **B2** = **C2**, this is as simple as one leg of a triangle squared plus another leg of a triangle squared equals the hypotenuse squared.

A 30-60-90 triangle is **a right triangle** with **angle** measures of 30º, 60º, and 90º (the right **angle**). Because the **angles** are always in that ratio, the **sides** are also always in the same ratio to each other.

A **right triangle** has one angle **equal** to 90 degrees. A **right triangle** can also be an isosceles **triangle**--which means that it has two **sides** that are **equal**. A **right** isosceles **triangle** has a 90-degree angle and two 45-degree angles. ... The Egyptians used this **triangle** for land surveying.

A **triangle** that **has one right angle is** called a **right triangle**. ... The angles in an equilateral **triangle are** always 60°. When a **triangle has** two congruent sides it **is** called an isosceles **triangle**. The angles opposite to the two sides of the same length **are** congruent.

A **triangle** cannot be **right**-**angled** and **obtuse angled** at the same time. Since a **right**-**angled triangle has one right angle**, the other two angles are acute. Therefore, an **obtuse**-**angled triangle can** never **have** a **right angle**; and vice versa. The side opposite the **obtuse angle** in the **triangle** is the longest.

A **triangle** has three sides, three vertices, and three angles. The sum of the three interior angles of a **triangle** is always 180°. The sum of the length of two sides of a **triangle** is always greater than the length of the third side.

180°

The sum of the angles in a **triangle**. Why **does** a **triangle** always **equal** 180 degrees? ... This rectangle has four 90 degree angles adding up to **360** degrees. Since the **triangles** are **congruent** each **triangle** has half as many degrees, namely 180.

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