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alexira [117]
3 years ago
12

I NEED HELP ASAP Fanks luv

Mathematics
1 answer:
garik1379 [7]3 years ago
6 0

Answer:

P = 9; A = 3

Step-by-step explanation:

a)

1. ATC is similar to GDO

2. 12 / 3 = 4

3. Triangle A has to be divided by 4 to figure out what Triangle B is

4. GD = 3, GO = 4, DO = 2

5. P = 3 + 4 + 2 + 9

b)

1. B = 2, H = 3

2. Plug into given equation (A = 1/2bh)

3. A = 1/2*2*3

4. 1/2 * 6

5. A = 3

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