Question

The Westland Lysander was an aircraft used by the Royal Air Force in the 1930s. Here are some scale drawings that show the top, side, and front views of the Lysander.Use the scales and scale drawings to approximate the actual lengths of:1. the wingspan of the plane, to the nearest foot2. the height of the plane, to the nearest foot3. the length of the Lysander+ Mk. I, to the nearest meter

Answer 1

A scale drawing is a drawing depicting the image of an object having accurate sizes which are reduced or enlarged by a given amount

The measurements of the Westland Lysander are;

1. The wingspan of the plane to the nearest is approximately 46 feet

2. The height of the plane is approximately 14 feet

3. The length of the plane is approximately 9 meters

Reason:

1. The wingspan of the plane to the nearest foot

17.8 units = 10 feet

The wingspan = 82 units of measurement

Therefore;

$The \ wingspan \ = \dfrac{10 \, ft.}{17.8} \times 82\, ft. \approx 46\, ft.$

• The wingspan of the plane to the nearest foot ≈ 46 feet

2. The height of the plane to the nearest foot

17.8 measuring units = 10 feet

The height of the plane = 25 measuring units

Therefore;

$The \ height \ of \ the \ plane \ in \ feet = \dfrac{10 \, ft.}{17.8} \times 25\, ft. \approx 14 \, ft.$

• The height of the plane ≈ 14 ft.

3. The length of the plane to the nearest meter

The length of the Lysander + Mk. I = 50 measuring units

$The \ length\ of \ the \ plane \ in \ feet = \dfrac{10 \, ft.}{17.8} \times 50\, ft. \approx 28.1 \, ft.$

1 feet ≈ 0.3048 meters

28.1 feet ≈ 28.1 × 0.3048 meters = 8.56488 meters ≈ 9 meters

• The length of the Lysander Mk. I to the nearest meter ≈ 9 meters

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