Two triangles are similar if and only if all corresponding angles are equal (congruence), even if the corresponding sides are equal or not, therefore the answer is true because ΔJKL and ΔRST are similar and the statement above demands that "it must be", namely, this is a sufficient condition.
To figure this out, you do 63 - 20 which is 43. I hope this helps!
Answer:
An economic signal is described as <u>any piece of data or information which allows people to optimize their decision-making process</u> and make comparatively better decisions economically.
Step-by-step explanation:
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