SOLUTION: In the diagram, the area of triangle ABC is 48 cm^2 and DE and FG are perpendicular to BC. The area of pentagon ADEGF, is:
A) 30
B) 42
C) 34
D) 36
E) 32
https://imageshack.
Algebra ->
Surface-area
-> SOLUTION: In the diagram, the area of triangle ABC is 48 cm^2 and DE and FG are perpendicular to BC. The area of pentagon ADEGF, is:
A) 30
B) 42
C) 34
D) 36
E) 32
https://imageshack.
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Question 1167550: In the diagram, the area of triangle ABC is 48 cm^2 and DE and FG are perpendicular to BC. The area of pentagon ADEGF, is:
A) 30
B) 42
C) 34
D) 36
E) 32
https://imageshack.com/i/pntQQVi7j
Let H be on BC so that AH is perpendicular to BC. Then
(1) BED and BHA are similar triangles with scale factor 1:2, so the area of BED is 1/4 the area of BHA;
(2) CGF and CHA are similar triangles with scale factor 1:2, so the area of CGF is 1/4 the area of CHA
