△ ABC and △ ABD have the same base AB and are between the same parallels. If area △ ABC = 150 sq cm, then area of △ ABD = ____ sq cm.
75
100
150
300
△ ABC and parallelogram ABDE have the same base AB and lie between the same parallels. If area of △ ABC is 12.5 sq cm, then area of parallelogram ABDE =_____ sq cm.
△ ABC and parallelogram ABDE have the same base AB and lie between the same parallels. If area of parallelogram ABDE is 90 sq cm, then area of △ ABC =_____ sq cm.
ABC and ABD are two triangles on the same base AB. If line- segment CD is bisected by AB at O, show that area(△ABC) = area(△ABD). [2 MARKS]