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son4ous [18]
3 years ago
14

Numbers that are easy to compute using mentally are called?

Mathematics
1 answer:
SVEN [57.7K]3 years ago
8 0
The answer of that is called a compatible number. I hope this helps! :)
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Four posters cost $19.20. How many posters can you buy for $48.00?
stich3 [128]
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3 years ago
The formula for perimeter of a rectangle is P=2L+2W where L is the length and w is the width. A rectangle has a perimeter of 24
Black_prince [1.1K]
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The vertex angle of an isosceles triangle measure 40.whats the measure of the base angle?
Eddi Din [679]
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Sveta_85 [38]

Step-by-step explanation:

not possible, but thanks for the points..!

5 0
3 years ago
Given: AE ≅ CE ; DE ≅ BE Prove: ABCD is a parallelogram. Parallelogram A B C D is shown. Diagonals are drawn from point A to poi
nikklg [1K]

Answer:

The proof is below

Step-by-step explanation:

Given a parallelogram ABCD. Diagonals AC and BD intersect at E. We have to prove that AE is congruent to CE and BE is congruent to DE i.e diagonals of a parallelogram bisect each other.

In ΔACD and ΔBEC

AD=BC              (∵Opposite sides of a parallelogram are equal)

∠DAC=∠BCE       (∵Alternate angles)

∠ADC=∠CBE        (∵Alternate angles)

By ASA rule, ΔACD≅ΔBEC

By CPCT(Corresponding Parts of Congruent triangles)

AE=EC and DE=EB

Hence, AE is conruent to CE and BE is congruent to DE

6 0
3 years ago
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