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ASHISH GULIA from DPS NAVI MUMBAI, MUMBAI
Subject :IMO    Class : Class 7

In the figure, ABCD is a rectangle, ΔCEF is an equilateral triangle. Find x.


A 25º
B 30º
C 20º
D 50°


given that Δ CEF is an equilateral triangle, each of its angles are 60° and also shown in the figure that DC bisects angle C, so angle x should be 30º

Ans 1:

sreehari s from ST THOMAS RESIDENTIAL SCHOOL, TRIVANDRUM,KERALA
Class : Class 7
answer is :- option(A)-25

Ans 2:

S SAHITHYAA RAMAN from Padma Seshadri T Nagar, Chennai
Class : Class 7
A

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