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3 years ago

Plz help me with dis its one question

Mathematics

1 answer:

tatiyna3 years ago

7 0

Answer:

Alix does. See below.

Step-by-step explanation:

Givens

Jenny

b1 = 90 cm
b2 = 80 cm
height = 23 cm

Alex

b1 = 90 cm
b2 = 70 cm
height = 27 cm

Formula

For both territories the answer is based on the formula

Area = (b1 + b2)*h/2

Solution

Jenny

Area = (90 + 80)23/2
Area = 170 * 23 / 2
Area = 85 * 23
Area = 1955 units.

Alex

Area = (70 + 90)*27/2
Area = 160*27 / 2
Area = 80* 27
Area = 2160

Alix does by 205 cm

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NARA [144]

Answer:

Option B, 24 feet

Step-by-step explanation:

Step 1: Determine the perimeter

To find how much fence we will need to go around the garden means that we need to find the perimeter. In order to find the perimeter we need to add up all of the sides which we can do using the formula below.

$P = 2(w + l)$

$P = 2(5\ ft + 7\ ft)$

$P = 2(12\ ft)$

$P = 24\ ft$

Answer: Option B, 24 feet

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