ABC is an equilateral triangle with side 10 cm. The perimeter of the triangle formed by joining the mid points of the sides of ΔABC is
A. 30 cm
B. 20 cm
C. 15 cm
D. 5 cm
Answer:C
ABC is an equilateral triangle with side 10 cm. The perimeter of the triangle formed by joining the mid points of the sides of ΔABC is
A. 30 cm B. 20 cm C. 15 cm D. 5 cm