Examples with solutions for Area of a Deltoid: Calculation using percentages

Exercise #1

Below is the deltoid ABCD.

Given in cm: DB = 10

Diagonal AC is 40% longer than diagonal DB.

Calculate the area of the deltoid.

101010AAABBBCCCDDD

Video Solution

Answer

70 cm²

Exercise #2

Given the deltoid ABCD

Diagonal AC is equal to 75% of the diagonal DB

Area of the deltoid is equal to 108X cm².

Calculate the side DB,
if it was given that it is equal to X

AAABBBCCCDDD

Video Solution

Answer

288 cm²

Exercise #3

Shown below is the deltoid ABCD.

Diagonal AC is 25% longer than diagonal DB.

AC = 12

Calculate the area of the deltoid.

121212AAABBBCCCDDD

Video Solution

Answer

54 cm²