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4. The ratio of the measures of the angles of a triangle is 1:4:7. Find the measure of the largest angle. 5. ABCD and EFGH are squares with AB = 3 and EF = 5. Find in simplest form, the ratio of: (a) the length of a side to the perimeter of EFGH Ratio = (b) the perimeter of ABCD to the perimeter of EFGH 6. What postulate or theorem justifies the statement \(\triangle ABE \sim \triangle DCE\)? Ratio = A B AE BE 7. (a) \(\frac{AE}{DE} = \frac{BE}{DE}\) AE DE (b) \(\frac{AE}{AB} = \frac{DE}{AB}\) 8. The scale factor of \(\triangle AEB\) to \(\triangle DEC\) is 5:2. If DE = 7, then AE = 9. What postulate or theorem justifies each statement? (a) AB \(\parallel\) DE CE B A \(=\) DA EB D 10. If CD = 4, DA = 3, and DE = 3, then AB = Use for #9-11 11. If CB = 12, EB = 8, and DE = 3, then DA = C A E Use for #6-8 D

          4. The ratio of the measures of the angles of a triangle is 1:4:7. Find the measure of the largest angle.
5. ABCD and EFGH are squares with AB = 3 and EF = 5. Find in simplest form, the ratio of:
(a) the length of a side to the perimeter of EFGH
Ratio = 
(b) the perimeter of ABCD to the perimeter of EFGH
6. What postulate or theorem justifies the statement \(\triangle ABE \sim \triangle DCE\)?
Ratio = 
A
B
AE BE
7. (a) \(\frac{AE}{DE} = \frac{BE}{DE}\)
AE DE
(b) \(\frac{AE}{AB} = \frac{DE}{AB}\)
8. The scale factor of \(\triangle AEB\) to \(\triangle DEC\) is 5:2. If DE = 7, then AE = 
9. What postulate or theorem justifies each statement?
(a) AB \(\parallel\) DE
CE
B
A
\(=\) DA EB
D
10. If CD = 4, DA = 3, and DE = 3, then AB = 
Use for #9-11
11. If CB = 12, EB = 8, and DE = 3, then DA = 
C
A
E
Use for #6-8
D

4. The ratio of the measures of the angles of a triangle is 1:4:7. Find the measure of the largest angle.
5. ABCD and EFGH are squares with AB = 3 and EF = 5. Find in simplest form, the ratio of:
(a) the length of a side to the perimeter of EFGH
Ratio =
(b) the perimeter of ABCD to the perimeter of EFGH
6. What postulate or theorem justifies the statement ABE ∼ DCE?
Ratio =
A
B
AE BE
7. (a) (AE)/(DE) = (BE)/(DE)
AE DE
(b) (AE)/(AB) = (DE)/(AB)
8. The scale factor of AEB to DEC is 5:2. If DE = 7, then AE =
9. What postulate or theorem justifies each statement?
(a) AB ∥ DE
CE
B
A
= DA EB
D
10. If CD = 4, DA = 3, and DE = 3, then AB =
Use for #9-11
11. If CB = 12, EB = 8, and DE = 3, then DA =
C
A
E
Use for #6-8
D

Added by Stacey E.

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