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If I is the incentre of ΔABC , if  ∠ BAC = 70⁰ , then what is the measure of  ∠ BIC?

If I is the incentre of ΔABC , if  ∠ BAC = 80⁰ , then what is the measure of  ∠ BIC?

In the given figure, ADEF is a rectangle. ∠CBE = 70°, find the value of X.

∆ ABC is similar to ∆ DEF. If area of ∆ABC is 9 sq.cm and area of ∆DEF is 16 sq.cm and BC = 2.1 cm. Then the length of EF will be

If in a ΔABC, AD is internal angle bisector & D is a point on BC, AB = 7 cm, BC = 9cm then what is BD:CD?

If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 216 cm ² , then the area of ∆AGF is?

If I is the incentre of ΔABC , if  ∠ BAC = 30⁰ , then what is the measure of  ∠ BIC?

Find the area of triangle having sides in the ratio 4:5:7 & the perimeter of the triangle is 16 cm