Question

A rectangle is shown below,all measurements are to the nearest cm,

The base is 21cm and the height is 11cm
A)Calculate the upper bound
B)Calculate the lower bound

Answer 1

Upper bound for base: 21.5 cm

Lower bound for base: 20.5 cm

Upper bound for height: 11.5 cm

Lower bound for height: 10.5 cm

Step-by-step explanation:

A) Upper Bound:

The upper bound for the base (21 cm) would be 21.5 cm because it's rounded to the nearest centimeter.

The upper bound for the height (11 cm) would be 11.5 cm.

B) Lower Bound:

The lower bound for the base (21 cm) would be 20.5 cm because it's rounded to the nearest centimeter.

The lower bound for the height (11 cm) would be 10.5 cm.

Answer 2

Step-by-step explanation:

A) Calculating the upper bound:

Upper bound for the base, b: 21 cm + 0.5 cm = 21.5 cm

Upper bound for the height, h: 11 cm + 0.5 cm = 11.5 cmArea (upper bound) = (21.5 cm) * (11.5 cm)

B) Calculating the lower bound:

Lower bound for the base, b: 21 cm - 0.5 cm = 20.5 cm

Lower bound for the height, h: 11 cm - 0.5 cm = 10.5 cmArea (lower bound) = (20.5 cm) * (10.5 cm)