Construct ΔPQR if PQ = 5 cm, m∠PQR = 105° and m∠QRP = 40°.
(Hint: Recall angle sum property of a triangle).
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U can make this by Malkin angel of 40
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31
its very simple
PQR +QRP+RPQ=180
105+ 40+ RPQ=180
145+ RPQ=180
RPQ= 180-145
RPQ= 35
LET DRAW A LINE PQ = 5CM
DRAW ANGLE P = 35°
DRAW ANGLE Q = 105°
FINALLY THEY INTERSECT EACH OTHER AT POINT R= 40°
PQR +QRP+RPQ=180
105+ 40+ RPQ=180
145+ RPQ=180
RPQ= 180-145
RPQ= 35
LET DRAW A LINE PQ = 5CM
DRAW ANGLE P = 35°
DRAW ANGLE Q = 105°
FINALLY THEY INTERSECT EACH OTHER AT POINT R= 40°
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