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ASHA 777 [7]
3 years ago
5

Save and

Mathematics
1 answer:
Darya [45]3 years ago
7 0

Answer: 6/5

Step-by-step explanation:

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Question 9 - (3 marks available)
navik [9.2K]

Image of the triangle is attached

Answer:

24 cm

Step-by-step explanation:

If two triangles are similar, the corresponding sides must be in the same ratio.

From the diagram, the height of the triangle is 36cm.

But the height of triangle ABE = h,

To find the height of triangle BCD, let's subtract the height of triangle ABE from 36cm.

Therefore.

Height of BCD = 36 - h.

Since the triangles are similar and their corresponding sides have the same ratio, we have the expression:

\frac{b}{h} = \frac{b}{h}

Substituting figures, we have:

\frac{20}{h} = \frac{10}{36-h}

Cross multiplying, we have:

20(36-h) = 10 * h

720 - 20h = 10h

720 = 10h + 20h

720 = 30h

h = \frac{720}{30}

h = 24 cm

Therefore, the height of triangle ABE is 24cm

7 0
3 years ago
The circumcenter is the center of the. circle
erma4kov [3.2K]

The circumcenter is the center of the circle which goes through the triangle's vertices, so the circumcenter of the triangle and the center of that circumscribed circle MUST be the same point.

The same goes for the incenter and the center of the inscribed circle, though these will not, in general, be the same point as the circumcenter.

4 0
2 years ago
Read 2 more answers
21 divide 7=something
Roman55 [17]

Answer:

1=3

2=10.5

3=2

4=8

5=4

6=9

7=9

8=7

9=5

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3 years ago
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What is the value of the expression 5(X+3) when X=-3?
SIZIF [17.4K]

Answer:

0

Step-by-step explanation:

5(x+3) replace x with -3

5(-3+3)

5(0)

0

4 0
3 years ago
Solve the open sentence.
BARSIC [14]

Answer:

this is my answer i hope it helps you

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3 years ago
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