Just do b*h/2 for all the triangles.
Answer: 58.42
Formula: Multiply the length value by 2.54
23×2.54
=58.42
12 Inches = 30.48 Centimetres
It is true. The triangles are congruent.
Answer:

Step-by-step explanation:
Given :

Multiply numerator and denominator by 2 :

[Divide both sides by 5 as it is a common factor]
