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Novay_Z [31]
3 years ago
11

Keelie has a triangular-shaped card. The lengths of its sides are 2.7 cm, 3.6 cm, and 4.5 cm. Is the card a right triangle?​

Mathematics
2 answers:
Stells [14]3 years ago
8 0

\sqrt{ {2.7}^{2} +  {3.6}^{2}  }  = 4.5 \\\Rightarrow The \:  card \:  is \:  a \:  right  \: triangle

Vinil7 [7]3 years ago
4 0

Answer:

Yes it is the right angle triangle

Step-by-step explanation:

In right angle triangle hypotenuse is equal to sum of perpendicular and base

(H) ^2 = P ^2 + B ^2

(4.5) ^2 = (2.7) ^2 +(3.6) ^2

20.25 =  7.29 +12.96

20.25 = 20.25

Hence, it is right angle triangle .

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62 is 90.5% of what number?
Reptile [31]
68.5. You take 62 and divide it by the percentage as a decimal, .905. 62 / .905 = 68.5.
6 0
3 years ago
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Need help asap pls :)
pogonyaev

Answer:

See explanation below.

Step-by-step explanation:

First I'm going to find angle 2. Angle two plus 55 is equal to 115. 180-115=65. 65-55=10 Angle 2 = 10

Next, we can find angle 3. 55+10=65. 180-65=115. Angle 3 = 115

Angle 2 is equal to angle 5, angle 3 is equal to angle 6, and angle 4 is equal to 55.

Angle 5 = 10

Angle 4 = 55

Angle 6 = 115

Now we can find angle 8. 180-115=65. Angle 8 = 65

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180-125 = 55 Angle 9 = 55

Angle 14 = 55

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7 0
2 years ago
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The equation of the circle is (x+8)^2+(y+9)^2=169. Which of the following are the center and the radius of the circle
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The equation for a circle is (x - h)^2 + (y - k)^2 = r^2
where (h, k) is the center and r is the radius
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(x - -8)^2 + (y - -9)^2 = 13^2
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3 0
3 years ago
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Otrada [13]
Right isosceles, which has two sides the same length and one angle that measures 90 degrees.
5 0
3 years ago
What’s the area of this figure?
Ivan

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