Construct an angle of 45° at the initial point of a given ray and justify the construction.
Construct the following angles and verify by measuring them by a protractor:
(i) 75°
(ii) 105°
(iii) 135°
Construct a triangle ABC in which BC = 7cm, ∠B = 75° and AB + AC = 13 cm.
Construct a triangle ABC in which BC = 8cm, ∠B = 45° and AB – AC = 3.5 cm.
Construct a triangle PQR in which QR = 6cm, ∠Q = 60° and PR – PQ = 2cm.
Construct a right triangle whose base is 12cm and the sum of its hypotenuse and the other side is 18 cm.
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