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

Question

2 years ago

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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] · Answer 1 · 2022-06-06T06:30:15+03:00

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.