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irga5000 [103]
2 years ago
12

The diagram shows a triangle. 13.4 cm 7.6 cm Work out the area of the triangle.

Mathematics
1 answer:
Xelga [282]2 years ago
3 0

Answer:

Area of the triangle = 12.92 cm²

Step-by-step explanation:

Area of a triangle = \frac{1}{2}(\text{Base})(\text{Height})

From the figure attached,

Length of base of the triangle = 7.6 cm

Length of the height of the triangle = 3.4 cm

Area of the triangle = \frac{1}{2}(7.6)(3.4)

                                 = 12.92 square cm

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kumpel [21]

Answer:

<h3>p = 131.25</h3>

Step-by-step explanation:

The variation p varies directly with T is written as

p = kT

where k is the constant of proportionality

To find p when T =500 we must first find the formula for the variation

That's

when p = 105 and T = 400

105 = 400k

Divide both sides by 400

<h3>k =  \frac{21}{80}</h3>

So the formula for the variation is

<h2>p =  \frac{21}{80} T</h2>

when

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Substitute it into the above formula

That's

p =  \frac{21}{80}  \times 500

Simplify

The final answer is

<h3>p = 131.25</h3>

Hope this helps you

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