To determine:To Find:the measure of side BB' in the figure shown such that VA' = 15, A'A=20 and VB=49 Given: Figure is shown below. 12210202971.jpg

Yulia 2021-01-22 Answered
To determine:To Find:the measure of side BB
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Expert Answer

Bertha Stark
Answered 2021-01-23 Author has 96 answers
Calculation:
Since, plane of ABC is similar to the plane of ABC
Since, ABCD is a parallelogram.
V=V(Common)
VAB=VAB(Corresponding angle in two similar plane)
Therefore by AA similarity, VABVAB
Ratio of corresponding sides in two similar triangles is equal.
VAVA=VCVC
VA+VA=VBVB
15+2015=49VB
VB=15×4935
VB'=21
VB=BB'+VB'
49=BB+21
BB'=28
Therefore, the answer is 28.
Therefore, the answer is 42.
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