Answer:
Step-by-step explanation:
in this case we have a right angled triangle, whenever you see this triangle think of the TRIG RATIOS * sin, cos & tan* but if it was another triangle besides right angled triangle you use SINE RULE OR COSINE RULE
SOLUTION
(up) by 6
left by 7
A = Length × breath
A = 3 × 7
A = a × 4
A = m × m