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In ΔABC, D is a point on AB and E on AC with DE ∥ BC
MATHEMATICS · Single correct · CBSE · Mathematics · Triangles · Triangles
Problem
In ΔABC, D is a point on AB and E on AC with DE ∥ BC. Given AD = 9 cm, AB = 15 cm and AC = 18 cm. A second line FG through A is drawn parallel to DE, meeting AB at F and AC at G. If AF = 6 cm, calculate AG. (a)
7.2
cm
7.2\text{ cm}
7.2
cm
(b)
6
cm
6\text{ cm}
6
cm
(c)
10.8
cm
10.8\text{ cm}
10.8
cm
(d)
9
cm
9\text{ cm}
9
cm
Related theory
Similarity of Triangles
Similarity
Basic Proportionality Theorem
Basic Proportionality Theorem (BPT)
Triangles
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