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Hoochie [10]
2 years ago
12

What is the area of this triangle?​

Mathematics
2 answers:
Reptile [31]2 years ago
5 0
The answer is b x h/2
9x12=108/2=54
zheka24 [161]2 years ago
3 0

Answer:

54

Step-by-step explanation:

A=\frac{1}{2}bh \\A=\frac{1}{2}*12*9\\A= 54

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The scale drawing has a scale of 1/2 in: 8 mi. Find the length on the drawing for 2 in Please answer asap​
11111nata11111 [884]

Answer:

32 mi

Step-by-step explanation:

Solve using proportions.

\frac{\frac{1}{2}in}{8 mi} =\frac{2in}{y}

Find the scale factor (how to get from left to right)

To get from left numerator to right numerator, multiply by 4.

(1/2) X 4 = 2

The scale factor is 4.

Multiply the left denominator by the scale factor to get "y".

8 mi X 4 = 32 mi

Therefore 2 inches represent 32 miles.

3 0
3 years ago
Which polygon is a concave octagon?
Bezzdna [24]

The polygon in option 3 is not octagon at all, it is heptagon (or 7-sided polygon).

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When some internal angle is greater than 180°, it is concave.

In option 2 you can see that one angle is pointing inward, then this octagon is concave.

Answer: correct choice is B.

8 0
3 years ago
Read 2 more answers
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taurus [48]

Answer:

My best answer. Hope this helps...

Step-by-step explanation:

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There are also 3 half squares.

The top part of the triangle also equals to 1 half square.

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8 0
3 years ago
Which number sentence is not true?
Burka [1]

Answer:

Option B

Step-by-step explanation:

|-1| \neq -1

|-1| = 1

8 0
2 years ago
Why does the fact family for 81 and 9 only have two number sentences?
sukhopar [10]
Because, 9 x 9 = 81. Hope I helped!
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