In the following figure, rectangle represents Reporters, circle represents Artists, triangle represents Mountain climbers and square represents Football players. Which set of letters represents Reporters who are Mountain climbers?
D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 1:2 and area of ΔABC is 45 sq cm, what is the area (in sq cm) of quadrilateral BDEC?