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KonstantinChe [14]
3 years ago
14

Find the perimeter and area

Mathematics
2 answers:
Alexxandr [17]3 years ago
8 0

Answer:

Step-by-step explanation:

Perimeter = addition of the total sides

Perimeter = 42+49+65 = 156cm

Area = 1/2bh

b = 49cm, h = 42cm

Area = 1/2 × 42×49

Area = 1029square cm

LekaFEV [45]3 years ago
3 0

Answer:

Perimeter = 156

Area = 1029

Step-by-step explanation:

Perimeter = 65 +42 49

P = 156

Area = 49*42/2

A = 1029

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2

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⋅0.1=0.05. Since 3.7+0.05=3.753.7+0.05=3.75 and 3.7−0.05=3.653.7−0.05=3.65, then the error interval is \boxed{3.65\le x&lt;3.75}.

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