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How do you find an angle of a triangle with only three sides given?
Wiki User
∙ 12y ago
Use the cosine rule.
If a, b and c are the sides with angle A opposite side a, then
2bc*cos(A) = b2 + c2 - a2
so that
Angle A = cos-1[(b2 + c2 - a2)/(2bc)]
Wiki User
∙ 12y ago
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What is A triangle with one abtuse angle and three different sides?
A scalene triangle would fit the given description
What is the angle of a triangle with three same sides?
Equilateral triangle.
How many sides does the right angle triangle?
All triangles have three sides. If it doesn't have three sides, it's not a triangle.
How many sides on a right angle triangle?
There are three sides.
Which triangle have 1 right angle and 0 sides?
Every triangle has three sides...
How do you find angle measurements on a triangle when three sides are already given?
use a protractor.
What is A triangle with one abtuse angle and three different sides?
A scalene triangle would fit the given description
What is the angle of a triangle with three same sides?
Equilateral triangle.
How many sides does the right angle triangle?
All triangles have three sides. If it doesn't have three sides, it's not a triangle.
How many sides on a right angle triangle?
There are three sides.
Which triangle have 1 right angle and 0 sides?
Every triangle has three sides...
What polygon has three sides of different lengths?
If it has no right angle then a scalene triangle would fit the given description
How is a rectangle different than a right triangle?
A rectangle has four sides whereas a right angle triangle has only three sides.
What is the name of a shape that has 3 sides and 1 right angle?
A right triangle has three sides and one right angle.
Do the three sides 20 26 and 42 make a right triangle?
No because the dimensions given do not comply with Pythagoras' theorem for a right angle triangle
What triangle has one right angle and all three sides are different lengths?
A triangle with a right angle and different lengths for sides is a right, scalene triangle.
How many sides does a right angle triangle have?
It has 2 equal sides of right triangle.
