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nexus9112 [7]
3 years ago
10

Find the area of the following

Mathematics
2 answers:
Sophie [7]3 years ago
8 0

Answer:

The given triangle is right angled triangle, which means that

Area - \frac{1}{2}×base×height

  • \frac{1}{2}×5×10

  • 5×5
<h2>Area= 25cm²</h2>
Dmitriy789 [7]3 years ago
4 0

Answer:

11.180339887498cm or 11.2cm

Step-by-step explanation:

Using pythagoras- a² + b² = c²

Therefore 5² + 10² = 125²

Root of 125 will be the answer

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gogolik [260]

Answer:

184 cm²

Step-by-step explanation:

Surface area of the rectangular box is expressed as S = 2(LW+LH+WH)

L is the length of the box = 90 cm

W is the width of the box = 50 cm

H is the height of the box= 90 cm

If there are error of at most 0.2 cm in each measurement, then the total surface area using differential estimate will be expressed as shown;

S = 2{(LdW+WdL) + (LdH+HdL) + (WdH+HdW)

Note that dL = dW = dH = 0.2 cm

Substituting the given values into the formula to estimate the maximum error in calculating the surface area of the box

S = 2{(90(0.2)+50(0.2)) + (90(0.2)+90(0.2)) + (50(0.2)+90(0.2))

S = 2{18+10+18+18+10+18}

S = 2(92)

S = 184 cm²

Hence, the maximum error in calculating the surface area of the box is 184cm²

5 0
3 years ago
A tree is 28.05 feet tall. What is its height in meters? Use the following conversion: 1 meter is 3.3 feet.
Mariulka [41]

Answer:

It is 8.5 meters tall

Step-by-step explanation:

28.05 / 3.3 = 8.5

3 0
2 years ago
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Artyom0805 [142]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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