plz answer this question help me
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Answered by
1
Step-by-step explanation:
1/2 * 4 *AD = √3/4*4*4
2AD= 4√3
AD = 2√3
please mark me as the brainliest
Answered by
0
Answer:
In right ΔADC
AC
2
=AD
2
+DC
2
(Pythagoras Theorem)
⇒(25)
2
=15
2
+DC
2
⇒625=225+DC
2
⇒DC
2
=625−225=400=(20)
2
⇒DC=20cm
But BC=28cm
BD=28−20=8cm
Now in right ΔADB
AB
2
=AD
2
+BD
2
=152+82=225+64=289=(17)
2
∴AB=17cm
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