Bihar TET · Mathematics and Science (Paper II)
Triangles, quadrilaterals, congruence and similarity.
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Q1 · Geometry · EASY
In triangle ABC, AB = 5 cm, BC = 12 cm and AC = 13 cm. What type of triangle is ABC?
Q2 · Geometry · MEDIUM
Two triangles ABC and PQR are congruent by SAS criterion. If AB = 6 cm, AC = 8 cm, angle A = 60°, and PQ = 6 cm, PR = 8 cm, then what is the measure of angle P?
Q3 · Geometry · MEDIUM
In a quadrilateral ABCD, the diagonals AC and BD intersect at point O. If AO = 3 cm, OC = 3 cm, BO = 4 cm, OD = 4 cm, and angle AOB = angle COD, then what type of quadrilateral is ABCD?
Q4 · Geometry · HARD
Two similar triangles ABC and PQR have their corresponding sides in the ratio 3:5. If the area of triangle ABC is 27 square cm, what is the area of triangle PQR in square cm?
Q5 · Geometry · MEDIUM
In a triangle ABC, if ∠A = 60° and ∠B = 70°, then ∠C is: