Answer: it’s 40% if your confused… aka (A.)
Step-by-step explanation:
1st problem:
A = 630 cm
2nd problem:
A = 104 cm
All I can see on the picture you provided.
Answer:
It is an obtuse triangle I think because
Define unit vectors along the x-axis and the y-axis as

respectively.
Then the vector from P to Q is

In component form, the vector PQ is (-8,5).
The magnitude of vector PQ is
√[(-8)² + 5²] = √(89) = 9.434
Answer:
The vector PQ is (-8, 5) and its magnitude is √89 (or 9.434).