Answer:
81 mm²
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Since the three angles of a triangle add to give 180°
The the size of the largest angle 4 = 180° ×

= 180° ×
∴ the size of the largest angle = 80°
Answer:
no solution exists
Step-by-step explanation:
Answer:

Step-by-step explanation:



because it's a straight angle(180)