Use two theory
The sum of the angles of a triangle is always 180
and
An the base angles of an issceles triange are equal
therefore if one angel is 70 then the two combinations of the angles woudl be
70 - 70 - 40 making 40 the smallest angle
70 - 65 - 65 making 65 the smallest angle
90° . That's true of any triangle. Doesn't have to be isosceles.
yes
An isosceles right angled triangle
An isosceles triangle
There are infiitely many possible answers. A right angled isosceles triangle is one.There are infiitely many possible answers. A right angled isosceles triangle is one.There are infiitely many possible answers. A right angled isosceles triangle is one.There are infiitely many possible answers. A right angled isosceles triangle is one.
It is possible if neither of the angles in the triangle measures to 60 degrees
It is an obtuse angled isosceles triangle.It is an obtuse angled isosceles triangle.It is an obtuse angled isosceles triangle.It is an obtuse angled isosceles triangle.
It is possible for an isosceles triangle to be an acute triangle because, in an acute triangle all the angles have to be less than 90o.
90° . That's true of any triangle. Doesn't have to be isosceles.
An isosceles triangle.
Yes
No.
they would be congruent triangles!
It is 5.196*r^2 square units.
An isosceles right angled triangle
yes
An isosceles triangle