answersLogoWhite

0


Best Answer

A right triangle has one exterior angle that's 90 degrees. No other kind of triangle has.

All three of the triangle's exterior angles always add up to 360 degrees.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Is exterior angle of a triangle 90 degrees?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How many degrees are there in each exterior angle of an regular triangle?

a triangle has 180 degree but each exterior has 90 degree .


Example of measure of an exterior angle?

Consider a right triangle. One of the exterior angles 90 degrees.


Is an exterior angle of a quadrilateral is 90 degrees?

is an exterior angle of a quadrilateral always sometime or never 90 degrees


How many degrees are there in each exterior angle of an equilateral triangle A 30 degrees B 60 degrees C 90 degrees D 120 degrees?

an interior angle + and exterior = 180 Angle A: 180-30=150 Angle B: 180-60=120 Angle C: 180-90=90 Angle D: 180-120=60 SO WHATS THE ANSWER!!!?????


What is the measure of the largest exterior angle of an isosceles right angle?

A isosceles right angle triangle will have 2 equal interior angles of 45 degrees and 1 angle of 90 degrees with its largest exterior angle being 180 -45 = 135 degrees.


What type of triangle has an angle that measures 20 degrees and and angle that measures 90 degrees?

Any triangle that has an angle measuring 90 degrees is a right triangle.


Does a square have a larger exterior angle the a pentagon?

Exterior angle of a square is 90 degrees Exterior angle of a regular pentagon is 72 degrees


Which of these two regular polygons has the larger exterior angle Square Or Pentagon?

Square = 90 degrees Pentagon = 72 degrees


A triangle with one angle over 90 degrees?

A triangle with one angle over 90 degrees is an obtuse triangle.


What is a triangle containing a 90 degrees angle?

A triangle with a 90° angle is called a "right triangle."


What is a exerior angle?

An exterior angle is on the outside of a shape. For example, the internal angle of a corner of a square is 90 degrees. 360 degrees less 90 degrees equals 270 degrees. Therefore, the exterior angle of a right-angle is 270 degrees. Search Google with "exterior angle" for more info.


What are 3 kinds of triangle according to angle?

Acute Triangle - All of the angles are under 90 degrees. Right Triangle - One angle is 90 degrees Obtuse Triangle - A triangle that has one angle greater than 90 degrees.