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Help me with 8,9,10 please I really need help with this!!! Just real answers please

Help Me With 8910 Please I Really Need Help With This Just Real Answers Please class=

Sagot :

Answer:

The measure of side CD is 18cm

The measure of side BD is 15+15= 30cm

The perimeter of triangle CDE is 15+15+18 = 48cm