Q. 225.0( 3 Votes )

In Fig. 2.16,



(a) AOD is a/an _____ angle

(b) COA is a/an _____ angle

(c) AOE is a/an _____ angle

Answer :

(a) Right


(b) acute


(c) obtuse


AOD = 90 (40+20+30)


COA = 50 (20+30) (less than 90, which makes it acute)


AOE = 130 (40+40+20+30) (between 90 and 180 which makes it obtuse.)


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