Question

This is another math thingy

Answer 1

7km

Explanation:

The given figure is a rectangle

The formula to find area of rectangle is,

`l * b`

Here,

Length = 13km

Area = 91 km^2

Then breadth = 91/13

= 7 km

Answer 2

7.15 (two sig figs)

Explanation:

There is a time limit dude, googling is a faster way

1. Area of rectangle

A = l*z

2. Find z

93 = 13*z

z ≈ 7.15