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Rufina [12.5K]
3 years ago
15

Can someone help me with this question??? WIll Mark brainiest!!!!!!!!!!!!!!!

Mathematics
2 answers:
Doss [256]3 years ago
7 0

Answer:

99yd^{2}

Step-by-step explanation:

timama [110]3 years ago
6 0

Answer:

90yd²

Step-by-step explanation:

Area pf trapezium = 1/2 * (sum of parallel sides) * perdendicular distance b/w them.

Here,

Sum of II sides = 11 + 9yd = 20yd

Perpendicular distance = 18 yd

So, area of trapezium is

1/2 * 20yd * 18yd = 180yd²

As the triangle inscribed is right - angled triangle, area of ∆ = 1/2 * 10yd * 18yd = 90yd²

Shaded area = total area - area of ∆

= 180yd² - 90yd²

= 90yd²

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PIT_PIT [208]

Answer:

Yes it is

Step-by-step explanation:

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3 years ago
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3 years ago
Anton defines an acute angle as an angle that is not obtuse. Is Anton's definition valid ?
kobusy [5.1K]

Answer:

Anton's definition is not valid.

Step-by-step explanation:

We have been given that Anton defines an acute angle as an angle that is not obtuse. We are asked to find whether Anton's definition is valid or not.

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We know that a right triangle is neither acute nor obtuse. Since Anton hasn't mentioned a right triangle to his definition, therefore, his definition is not valid.

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4 0
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I need a answer as soon as possible
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Because 180-113 is 67.

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