In the adjoining figure De parallel BC if ad is equal to 1.7 CM a b is equal to 6.8 cm and ac is equal to 9 cm find a e in triangle
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Answered by
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In triangle ABC,
DB= AB-AD
= 6.8 - 1.7
=5.1 cm
Since, DE is parallel to BC,
AD/DB = AE/EC
= AD/DB = AE/AC-AE
= 1.7/5.1 = AE/9-AE
= 1.7 (9 - AE) = 1.5 AE
= 15.3 - 1.7AE = 1.5 AE
= 15.3 = 1.5AE + 1.7AE
=15.3 = 3.2AE
AE = 15.3/ 3.2
AE= 4.7 cm
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Answered by
5
Answer:
Step-by-step explanation:
Dhwanibudhiraja2004Ambitious
In triangle ABC,
DB= AB-AD
= 6.8 - 1.7
=5.1 cm
Since, DE is parallel to BC,
AD/DB = AE/EC
= AD/DB = AE/AC-AE
= 1.7/5.1 = AE/9-AE
= 1.7 (9 - AE) = 1.5 AE
= 15.3 - 1.7AE = 1.5 AE
= 15.3 = 1.5AE + 1.7AE
=15.3 = 3.2AE
AE = 15.3/ 3.2
AE= 4.7 cm
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