irene003
03.11.2020 •
Mathematics
Please help :) ΔDEF and ΔXYZ are similar isosceles triangles. What is the measure of angle X?
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Ответ:
Given : ΔDEF and ΔXYZ are similar isosceles triangles ( see attached figure)
To find : measure of ∠X
Solution:
See attached figure
in ΔDEF
∠E = 75°
DE = DF
=> ∠F = 75°
∠E + ∠F + ∠D = 180° ( sum of angle of triangle)
=> 75° + 75° + ∠D = 180°
=> ∠D = 30°
ΔDEF ≈ ΔXYZ
=> ∠D = ∠X = 30°
∠E = ∠Y = 75°
∠F = ∠Z = 75°
∠X = 30°
Therefore, your answer is ∠X = 30°
Please give me Brainiest :D
Ответ:
lol nice
Step-by-step explanation: