If the sides of a triangle are produced in an order, show that the sum of the exterior angles so formed is 360°.
Each of the two equal angles of
an isosceles triangle is four times
the third angle. Find the angles
of the triangle.
In a right-angled triangle if an angle measures 35°, then find the measure of the third angle
Jayanti takes shortest route to her home by walking diagonally across
a rectangular park. The park measures 60 metres × 80 metres. How
much shorter is the route across the park than the route around its
edges?
I have three sides. One of my angle measures 15°. Another has a
measure of 60°. What kind of a polygon am I? If I am a triangle, then
what kind of triangle am I?
In a triangle ABC, the measure of angle A is 40° less than the measure
of angle B and 50° less than that of angle C. Find the measure of ∠ A.
In triangle XYZ, the measure of angle X is 30° greater than the measure
of angle Y and angle Z is a right angle. Find the measure of ∠Y.
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