Question

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Answer 1

Answer:

• A. 12x; 5x + 14

Step-by-step explanation:

Perimeter is:

• P = a + b + c
• P = 4x - 3 + x + 9 + 8 = 5x + 14

Area is:

• A = 1/2bh
• A = 1/2*8*3x = 12x

Correct choice is A

Answer 2

$\\ \sf\longmapsto Perimeter=Sum\:of\:sides$

$\\ \sf\longmapsto Perimeter=4x-3+x+9+8$

$\\ \sf\longmapsto Perimeter=5x+14$

And

$\\ \sf\longmapsto Area=\dfrac{1}{2}base(height)$

$\\ \sf\longmapsto Area=\dfrac{1}{2}(3x)(8)$

$\\ \sf\longmapsto Area=12x$