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zzz [600]
4 years ago
12

the isosceles triangle has two sides of equal length, a, that sre longer than the length of the base ,b. the equation 2a+b=15.7

can be used to find the sides length. if one of the longer sides is 6.3 centimeters what is the length of the base
Mathematics
1 answer:
Airida [17]4 years ago
4 0

Answer:

base = 3.1 cm

Step-by-step explanation:

b= base

perimeter= p

From the statement we know that p=15.7 cm

moreover:

a=c=6.3 cm

So we have:

15.7=2*a +b

15.7 = 2*6.3 +b

15.7-12.6 = b

b= 3.1 cm = base

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Answer:

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Step-by-step explanation:

Given the following :

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3 years ago
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At lunchtime, a cafeteria served a total of 3/8 of a pot of chicken soup and 7/8 of a pot of
Effectus [21]
Answer:

1 1/4

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7 0
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kolbaska11 [484]

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3 0
2 years ago
Find the total surface area of this cone. Round to the nearest tenth.
leva [86]

Step-by-step explanation:

for given cone:

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\therefore \: l =  \sqrt{ {h}^{2}  +  {r}^{2} }  \\  =  \sqrt{ {3}^{2} +  {3}^{2}  }  \\  =  \sqrt{9 + 9}  \\  =  \sqrt{2 \times 9}  \\   \therefore \: l= 3 \sqrt{2}  \: ft \\  \\ total \: surface \: area \: of \: cone \\  = \pi \: r(l + r) \\  = 3.14 \times 3(3 \sqrt{2}  + 3) \\  = 9.42 \times 3( \sqrt{2}  + 1) \\  = 28.26 \times (1.414 + 1) \\  = 28.26 \times 2.414 \\  = 68.21964 \\  \approx \: 68.2 \:  {ft}^{2}

8 0
3 years ago
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