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brucewayne390
17.07.2019 •
Mathematics
Be is the bisector of ∠abc and cd is the bisector of ∠acb. also, δxba ≅ δyca. which of the following theorems would you use to you prove bl = cm? a. asa b. aas c. sss d. sas
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Ответ:
then:
AB=AC
since
∠ABC=∠ACB
then
MB=LC
thus
ΔBMC=ΔBLC
thus
MC=BL
hence the correct answer is:
SAS (side angle side) postulate
Ответ:
The answer is the option
The areas of the bases must be the same
Step-by-step explanation:
we know that
The volume of the pyramid is equal to
where
B is the area of the base of the pyramid
h is the height of the pyramid
In this problem we have
Pyramid N 1
Substitute
Pyramid N 2
Substitute
Remember that
the two pyramids have the same volume
so
therefore
The areas of the bases must be the same