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Given △ABC ~ △PQR, ∠A = 30° and ∠Q = 90°. The value of (∠R + ∠B) is
Which of the following statements is false ?
△ABC and △PQR are shown in the adjoining figures. The measure of ∠C is :
Assertion (A): Two right triangles are similar if the hypotenuse and one side of one triangle are proportional to the hypotenuse and one side of another triangle. Reason (R): AAA is the only criterion for similarity in right triangles.
Sides AB and BC and median AD of a triangle ABC are respectively proportional to sides PQ and QR and median PM of △ PQR. Show that △ ABC ∼ △ PQR.
A vertical pole 10 m long casts a shadow of length 5 m on the ground. At the same time, a tower casts a shadow of length 12·5 m on the ground. The height of the tower is :
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