Angad, Caroline and Sarah share some sweets in the ratio 1:4:2. Angad gets 5 sweets. How many did Sarah get?

Sarah got 10 sweets

Step-by-step explanation:

If Angad got 5 sweets, Sarah got 10: as Angad is the "1" ratio, and Sarah is the "2" ratio. So you will need to double 5 which is 10; because 2 is double of 1

check the picture below.

well, the angle at the vertex d is clearly not a right-angle, let's check for the one at the vertex f which does look like,   however if it's indeed, that means ef is perpendicular to df, in which case their slopes will be negative reciprocal of each other.

so the negative reciprocal of the slope of ef is 1, however the slope of df is not 1, is 1/2, so nope, they're not perpendicular lines.

d

because parallelagram have all 4 angels the same size dependeing and a rectangle and square are oth parallelogram