lifeofabe214
26.01.2021 •
Mathematics
Here are two similar rectangles find the area of the largest one
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Ответ:
40.32 cm²
Step-by-step explanation:
The area of the small rectangle = 7 × 4 = 28 cm²
Given the ratio of the sides of similar rectangles = a : b , then
the ratio of the areas = a² : b²
Here ratio of sides = 4 : 4.8 = 1 : 1.2
ratio of areas = 1² : 1.2² = 1 : 1.44
Let x be the area of the larger rectangle then by proportion
= ( cross- multiply )
x = 40.32
Area of larger rectangle is 40.32 cm²
Ответ:
yes they are correct nice job young man