B is the midpoint of AC, D is the midpoint of CE, and AE=21. find BD
Stacey Warren - Expert brainly.com
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no:( , can you explain please ?
oh Really i thought the question is about similarity bet. 2 Triangles
oh wow, i thought it was about a line..
well, the whole thing is 21. so half is : x+ (21-x).. one side will have a certain amount and the other will be the remainder
Same answer as @liliy put at first
so one is the length of a-c and the other c-e. now we have a further division of b. and d. which are both halves of what we have. : so its x/2 x/2 for the length of a-b and b-c and 21-x/2 21-x/2 for c-d d-e. then add b-c and c-d.
use the formula of similarity bet. 2 triangles
if triangle BCD is similar to triangle ACE
so the answer is 10.5 ?
which is also 21/2
if the math i hav taken in the school Remain as it is so the answer is yes :D