Just take it in co-ordinate pairs
Take two points
Slope:-




Equation of line in point slope form




- Convert to slope intercept form y=mx+b

Graph attached
Answer:
150 cm2
Step-by-step explanation:
double of triangle abc is 200
this is in middle of both
Answer:
A = x^2 + 4x -21
Step-by-step explanation:
L = x+7
W = x-3
A = L*W
A = (x+7)(x-3)
A = x^2 + 4x - 21
This means you should do 240*3/8 which is 90. so 90 times 240=21600
the answer is 216000km^2