ΔPQR is an equilateral triangle. X, Y, Z are the mid-points of the sides and A, B, C are the mid-points of sides of ΔXYZ. If the perimeter of ΔPQR is 8.4 cm, then the perimeter of ΔABC =
A. 4.2 cm
B. 8.4 cm
C. 2.1 cm
D. 2.8 cm
Answer:D
ΔPQR is an equilateral triangle. X, Y, Z are the mid-points of the sides and A, B, C are the mid-points of sides of ΔXYZ. If the perimeter of ΔPQR is 8.4 cm, then the perimeter of ΔABC =
A. 4.2 cm B. 8.4 cm C. 2.1 cm D. 2.8 cm