. In two triangles ABC and POR LA=30°
LB =70° LP=70° LQ=80°
AB = Rp then
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4
Answer:
then R = 30°
Step-by-step explanation:
GIVEN : in ∆ABC AND ∆PQR
LA = 30°
LB =70°
LP = 70°
LQ = 80°
TO FIND :- AB=RP
SOLUTION:- IN ∆ABC
LA+LB+LC = 180°....(all angles for a triangles measure 180°)
30+70+LC= 180
100 + LC = 180
LC = 180-100
LC= 80°............(i)
In ∆PQR,
LP+LQ+LR = 180° ....(all angles of a traingles measures 180°)
70+80+LR = 180
150 +LR = 180
LR = 180-150
LR = 30...........(ii)
from i and ii,
in ∆ABC AND ∆PQR
LA = LR = 30°.......(iii)
LB = LP = 70°........(iv)
LC = LQ = 80°.......(v)
hence, ∆ABC = ∆PQR ....from iii,iv and v
therefore , AB = RP......prove
Answered by
2
Answer:
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