construct a triangle ABC such that a = 7 cm, b = 5 cm , c = 4 cm. draw a perpendicular from A on BC
Answers
Given : triangle ABC in such a way that a=7cm, b=5cm and c=4cm.
To Find : Construct triangle ABC
Perpendicular from A on BC
Solution:
a = 7 cm = BC
b = 5 cm = AC
c = 4 cm = AB
Step 1 : Draw a line segment AB = 4 cm
Step 2 : Using compass width = 5 cm and taking A as center draw an arc
Step 3 : Using compass width = 7 cm and taking B as center draw an arc such that it intersect arc drawn in previous step at C
Step 4 : Join AC and BC
To Draw AD ⊥ BC
Step 1 : Using suitable compass width and taking A as center cut BC at X and Y
Step 2 : Using suitable compass width and taking X as center draw an arc
Step 3 : keeping compass width same and taking Y as center draw an arc such that it intersect arc drawn in previous step at Z
Step 4 : join AZ , intersecting BC at D
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