Mathematics
In ΔABC, D and E are points on AB and AC respectively such that DE ∥ BC. If AE = 2 cm, EC = 3 cm and BC = 10 cm, then DE is equal to: 1. 4 cm 2. 5 cm 3. cm 4. 15 cm
Related Questions
It is given that ΔABC ∼ ΔDFE. If ∠A = 30°, ∠C = 50°, AB = 5 cm, AC = 8 cm and DF = 7.5 cm, then which of the following is true?
DE = 12 cm, ∠F = 50°
DE = 12 cm, ∠F = 100°
EF = 12 cm, ∠D = 100°
EF = 12 cm, ∠D = 30°
ΔABC is such that AB = 3 cm, BC = 2 cm and CA = 2.5 cm. ΔDEF ∼ ΔABC. If EF = 4 cm, then the perimeter of ΔDEF is :
7.5 cm
15 cm
22.5 cm
30 cm
In ΔABC, DE is drawn parallel to BC cutting the other two sides at D and E. If AB = 3.6 cm, AC = 2.4 cm and AD = 2.1 cm, then AE is equal to:
1.05 cm
1.2 cm
1.4 cm
1.8 cm