Question

ii.
To find the length of the side and perimeter of the equilateral triangle, complete the following
activity.
Let AABC be the given equilateral triangle.
A
ZB = 60°
AD I BC, B-D-C.
In AABD. ZB=60°. ZADB = 90°
ZBAD = 30° ...[Remaining angle of a triangle)
AABD is a 30° -60°-90° triangle.
A
3cm
60°
B.
D
C С
AD =
AB
2.
AB
Perimeter of AABC = 3 x side =​

Answer 1

Answer:

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