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yaroslaw [1]
3 years ago
6

Find The Area of triangle ABC

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
3 0

Answer:

b.  area = 18 square units

Step-by-step explanation:

area of a triangle = 1/2 * base * height

area = 1/2 (6+3) + (6-2)

area = 1/2 * 9 * 4

area = 18 square units

therefore the answer is b.

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A square fits exactly inside a circle with each vertices being on the circumference of the circle. The square has a side length
GarryVolchara [31]

Answer:

Therefore,

The value of x is 5.97 cm.

Step-by-step explanation:

Given:

Let the length of side of Square be "x" cm'.

Radius of Circle be "r"

Area of Circle = 56 cm squared

pi = 3.14

To Find:

x = ?

Solution:

We know Area of Circle is given by,

\textrm{Area of Circle}=\pi r^{2}

Substituting the values we get

56=3.14\times r^{2}\\r^{2}=17.83\\Square\ Rooting\\r=\sqrt{17.83}=4.22\ cm

We have, a square fits exactly inside a circle with each vertices being on the circumference of the circle,

Vertex Angle of a Square is 90°.

In a Circle Diameter Subtends a Right angle,

So it's Diagonal will be the Diameter,

Diagonal =Diameter

Diameter=2\times Radius

Substituting the values we get

Diameter=2\times 4.22=8.44\ cm

Therefore,

Diagonal = 8.44\ cm

Also we know that,

Length of Diagonal of a Square for side "x" is given by,

Diagonal=\sqrt{2}\times x

Substituting the values we get

x=\dfrac{8.44}{\sqrt{2}}=5.967\approx 5.97\ cm

Therefore,

The value of x is 5.97 cm.

3 0
4 years ago
P,W,R & S form the vertices of a quadrilateral. PQR = 74 degrees
Zielflug [23.3K]

Answer:

∠ SPQ = 75°

Step-by-step explanation:

The sum of the 4 angles in a quadrilateral = 360°

Subtract the sum of the 3 angles from 360 for ∠ SPQ

∠ SPQ = 360° - (90 + 74 + 121)° = 360° - 285° = 75°

6 0
3 years ago
Read 2 more answers
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Answer is given above
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5 0
3 years ago
I need help with this question i don't know where to start.<br> t + 58 = 668
pentagon [3]

Answer:

t = 610

Step-by-step explanation:

668 - 58 = 610

610 + 58 = 668

7 0
3 years ago
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The dashed triangle is the image of the solid triangle. The center of dilation is (−5, 7) .
Vikentia [17]
The answer for this question would be -0.25 

Hope this helps! 

Let me know if it's correct. 
3 0
3 years ago
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