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ololo11 [35]
3 years ago
10

Diagram I shows a triangle with a foot length of 4ycm and a height (y +5). Figure 2 shows a square with a length of y cm. Given

the area of ​​the triangle exceeds the rectangle by 39cm ^ 2. Calculate the perimeter of the two diagrams.
P.s. Yes I am not from the United Kingdom but I sincerely need help with my homework please please help me

Mathematics
1 answer:
elixir [45]3 years ago
7 0

Answer:

Area of ​​equilateral triangle:36cm

Square area:12cm

Step-by-step explanation:

We need to find the corresponding relationship, it is not difficult to find that this is a simple quadratic function problem.

I used pictures to express the process. You can click to view. I'm not English either. I'm Chinese, but I believe that academics know no boundaries.

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