Question

B is the midpoint of AC, D is the midpoint of CE, and AE = 21. Find BD. The diagram is not to scale.

Answer 1

Answer:

D. $10,5$

Step-by-step explanation:

This is what is called the Midsegment Theorem, which states that the relation of a triangle's midpunkt is parallel to the triangle's third side, and the mid-segment length is half the third side length, so you would take half of 21 to arrive at your answer:

$10,5 = \frac{21}{2}$

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Answer 2

Answer:

D

Step-by-step explanation:

BD is a mid- line segment and is one half the length of AE, that is

BD = 0.5 × 21 = 10.5 → d