Find Tuition/Enrichment Centres

AskQ logo

STUCK ON HOMEWORK?

ASK FOR HELP FROM OUR KIASUPARENTS.COM COMMUNITY!

Question

Answer

Since B and C are the corners, they are both 90º

∠ACE = 360º – 108º – 90º – 90º = 72º

∠CEA = 180º – 60º – 72º = 48º

Recognise that ∠CED = ∠DEF,

∠CED = (180º – 48º) ÷ 2 = 66º

0 Replies 0 Likes
Find Tuition/Enrichment Centres