Here are the steps, hope it helps!
Answer:
The correct option is 1.
Step-by-step explanation:
It is given than the area of the triangle ABC is 46cm².
Area of a triangle is

Base of the triangle is AB and height of the triangle is CD.



The area of the triangle is 46cm².



Therefore the length of side AB is 11.5 cm. Option 1 is correct.
Answer:
37
Step-by-step explanation: