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2 years ago

3. The parallelogram which measure 15 cm by 25 cm and a square have the same

Mathematics

2 answers:

seraphim [82]2 years ago

8 0

Answer:

20 cm

Step-by-step explanation:

perimeter is found by add ing all sides, so 15+15+25+25 = 80

All sides of the square are equal so you divide the sum (80) by 4 which equals 20.

vredina [299]2 years ago

7 0

Answer:

20 cm

explanation: I think

Sana makatulong

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Digiron [165]

The angles of a triangle add up to 180 degrees

65 + 3x - 10 + 2x = 180
5x + 55 = 180
5x = 180 - 55
5x = 125
x = 125/5
x = 25 <====

m < B = 3x - 10 = 3(25) - 10 = 75 - 10 = 65 <== B is 65 degrees
m < C = 2x......= 2(25) = 50 <== C is 50

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3 years ago

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Amiraneli [1.4K]

Answer:

84 in²

Step-by-step explanation:

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3 years ago

Lina20 [59]

Answer:

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Step-by-step explanation:

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