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In △ ABC, D and E are the points on sides AB and AC. respectively and DE | BC. BC = 8 cm and DE = 5 cm. If the area of △ ADE = 45 cm², then wha...
The inner-radius of a triangle is 5 cm, and the sum of lengths of its sides is 60 cm. What is the area of the triangle (in sq. cm.)?
A △ ABC has sides 5 cm, 6 cm and 7 cm. AB extended touches a circle at P and AC extended touches the same circle at Q. Find the length (in cm) of AQ.
Area of a triangles with vertices at (2, 3), (-1, 0) and (2, -4) is :
If each side of an equilateral triangle is 12 cm, then its altitude is equal to:
In a ∆ABC, points P, Q and R are taken on AB, BC and CA, respectively, such that BQ = PQ and QC = QR. If ∠ BAC = 75°, what is the measure of &...
In a ∆ABC, angle BAC = 90°. If BC = 25 cm, then what is the length of the median AD?
In the Figure given below, find the value of x?
ABC is an equilateral triangle with sides of 24cm. Find the difference between its in-radius and circum-radius.
In ∆ PQR, S is the midpoint of QR. T is the midpoint of line PS. Then, Area of ∆PTQ : Area of ∆ PQR is
