Question

how do I use angle to determine what kind of triangle is it ?

Answer 1

acute angle , equilateral triangle ,obtuse triangle

acute triangle measures less than 90 degree

equilateral triangle having same length of all side

obtuse triangle measures greater than 90 degree

Answer 2

Answer:

• If all the angles are equal in magnitude, then it's an equilateral triangle. (In an equilateral triangle, all three angles are 60°)
• If two angles of a triangle are equal in magnitude, according to the theorem that states 'sides corresponding to equal angles of a triangle are equal in length', we can conclude that two sides of that triangle are equal in length. So that triangle is an isoscelese triangle.
• If one angle of a triangle is a right angle, then that triangle is called a 'right angled triangle'.

Step-by-step explanation: