A triangle which contains acute angles as its three interior angles is called an acute triangle (or) acute angled triangle.

A triangle usually contains three interior angles by the intersection of three sides. Sometimes, every interior angle in a triangle can be an acute angle, which means less than $90^\circ$.

This type of triangle is called as an acute triangle and also called as an acute angled triangle.

$\Delta ABC$ is a triangle and its three interior angles are measured as follows.

$(1)\,\,\,\,\,\,$ $\angle ABC = 43^\circ$

$(2)\,\,\,\,\,\,$ $\angle BCA = 62^\circ$

$(3)\,\,\,\,\,\,$ $\angle CAB = 75^\circ$

It is observed that a property is common in all three angles. In other words, every interior angle is less than $90$ degrees. So, each interior angle in this triangle is an acute angle. Therefore, the ABC is a best example for an acute triangle.

List of most recently solved mathematics problems.

Jul 04, 2018

Limit (Calculus)

Evaluate $\displaystyle \large \lim_{x \,\to\, \tan^{-1}{3}} \normalsize {\dfrac{\tan^2{x}-2\tan{x}-3}{\tan^2{x}-4\tan{x}+3}}$

Jun 23, 2018

Limit (Calculus)

Evaluate $\displaystyle \large \lim_{x \to 0} \normalsize \dfrac{e^{x^2}-\cos{x}}{x^2}$

Jun 22, 2018

Integral Calculus

Evaluate $\displaystyle \int \dfrac{1+\cos{4x}}{\cot{x}-\tan{x}} dx$

Jun 21, 2018

Limit

Evaluate $\displaystyle \large \lim_{x \to \infty} \normalsize {\sqrt{x^2+x+1}-\sqrt{x^2+1}}$

Math Doubts is a best place to learn mathematics and from basics to advanced scientific level for students, teachers and researchers.
Know more

Learn how to solve easy to difficult mathematics problems of all topics in various methods with step by step process and also maths questions for practising.