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Burka [1]
2 years ago
10

Please help. I need this urgentlyPlease no links please​

Mathematics
1 answer:
Inga [223]2 years ago
5 0

Answer:

Look below

Step-by-step explanation:

(a) The area of a triangle is:

A=\frac{1}{2}bh

The height of this triangle is h and it's base is 4+h so...

A=\frac{1}{2}*[h*(h+4)]

A=\frac{1}{2}*(h^2+4h)\\A=\frac{h^2}{2}+2h

(b) If the height is 8 cm, then the base is 4+8 which is 12 cm so...

A=\frac{1}{2}*8*12=4*12=48 \ cm^2

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3 years ago
Help me get the possible point, no link or virus please.
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Answer:

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This is exactly the same deal as the most recent question you asked.

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