Forum

Triangles

In ∆DEF, ∠D = 60°, ∠E = 70° and
the bisectors of ∠E and ∠F meet
at O. Find (i) ∠F (ii) ∠EOF

01/11/2024

Mathematics

7th

Triangles

In ∆PQR, if 3∠P = 4∠Q = 6∠R, calculate the angles of the triangle.

01/11/2024

Mathematics

7th

Triangles

If one angle of a triangle is 60° and the other two angles are in the
ratio 1 : 2, find the angles.

01/11/2024

Mathematics

7th

Triangles

The angles of a triangle are arranged in descending order of their
magnitudes. If the difference between two consecutive angles is 10°,
find the three angles.

01/11/2024

Mathematics

7th

Triangles

In ∆ABC, if ∠A = ∠C, and exterior
angle ABX = 140°, then find the
angles of the triangle.

01/11/2024

Mathematics

7th

Triangles

If the sides of a triangle are produced in an order, show that the sum of the exterior angles so formed is 360°.

01/11/2024

Mathematics

7th

Triangles

The angles of a triangle are in the ratio 2 : 3 : 5. Find the angles

01/11/2024

Mathematics

7th

Triangles

Each of the two equal angles of
an isosceles triangle is four times
the third angle. Find the angles
of the triangle.

01/11/2024

Mathematics

7th

Triangles

In a right-angled triangle if an angle measures 35°, then find the measure of the third angle

01/11/2024

Mathematics

7th

Triangles

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?

01/11/2024

Mathematics

7th