# CBSE Class 9 Answered

**ABCD is a Parallelogram in which ∠BAO = 35∘, ∠DAO=40∘ and ∠COD=105∘. Find ∠ABO?**

Asked by varundhawan | 31 Jan, 2022, 10:41: PM

Expert Answer

Here, AOC and DOB are the two diagonals of parallelogram ABCD

∠AOB = ∠COD = 105o

∠BAO + ∠AOB + ∠ABO = 180o

∠ABO = 180

^{o}- 105^{o}- 35^{o}∠ABO = 40

^{o}
Answered by Renu Varma | 03 Feb, 2022, 09:53: AM

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