What is the preferred pH range for growing

∆ABC and ∆DEF are similar and their areas are respectively 49cm² and 64cm ² . If EF = 12 cm BC is?

The internal bisector of ∆ABC at ∠A cuts BC on D and cuts the circum circle at E if DE = 6cm, AC = 8cm and AD = 10 cm then find the length of AB?

If O is circumcentre of acute angled triangle ABC, if ∠  BAC = 40 ˚  then  ∠ BOC = ?

In a parallelogram, two adjacent angles are (3x + 10)° and (x + 30)°. Find the larger angle.

If I is the incentre of ΔABC , if  ∠ BAC = 50⁰ , then what is the measure of  ∠ BIC?

What will be inradius of an equilateral triangle of side 10 cm?

If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 60 cm² , then the area of ∆EFG is?

Find the area of triangle having sides 7 m, 24 m, and 25 m.