Answer:
What is the question?
11.7 m²
Step-by-step explanation:
What is the area of each triangle ?
A = b×h/2
= 5.2m×4.5m/2
= 23.4m²/2
= 11.7 m²
WAIT WHAT
136+(4n-8)=180
136+4n-8=180
4n+128=180
4n=52
n=13
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