Respuesta :
Answer:
The answer would be 60cm.
Step-by-step explanation:
If triangle ABC has a side length of 4 cm and the area is equal to 40, the triangle PQR with a side length of 6 cm would have an area of 60.
The answer is 90.
The box labelled 1 shows how i worked out that the side length i labelled 10 was 10. Hope this helps ! :)
The box labelled 1 shows how i worked out that the side length i labelled 10 was 10. Hope this helps ! :)