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Alla [95]
2 years ago
15

Can someone please solve this

Mathematics
2 answers:
Anuta_ua [19.1K]2 years ago
8 0

Answer:

20

Step-by-step explanation:

a c will have the same angle as b d

Kipish [7]2 years ago
3 0
Answer: x=45 degrees
Explanation: Vertically opposite angles are the same so add 20+25 = 45 which is x
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Andrei [34K]

Answer:

(A)(8.2)(8.2)+4( \frac{1}{2})(8.2)(10.3)

Step-by-step explanation:

A Square Pyramid has a<u> Square Base</u> and <u>4 triangular faces</u>.

The Surface Area of a Square Pyramid=Area of Square Base+Area of the 4 Triangular faces

Side Lengths of Square Base=8.2cm

Height of the Triangular faces =10.3cm

Therefore:

Area of the Square Base =s^2=8.2^2=(8.2)(8.2)

Area of one Triangular Face=\frac{1}{2}bh= \frac{1}{2}*8.2*10.3

Therefore:

Area of the Pyramid=(8.2)(8.2)+4( \frac{1}{2})(8.2)(10.3)

6 0
3 years ago
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slavikrds [6]
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babymother [125]
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Komok [63]

Answer:

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