NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 9: Perimeter and Area - True or FalseQuestion 66
Class 7 - Mathematics - Unit 9: Perimeter and Area - True or False
Question. 66
In Fig. 9.29 ratio of the area of triangle ABC to the area of triangle ACD is the same as the ratio of base BC of triangle ABC to the base CD of triangle ACD.

Answer:
true
Detailed Answer with Explanation:
Area = ½ × base × height. Since both share same height from A, the ratio of areas equals ratio of their bases BC : CD.