3 years ago

What is the area of this figure drag and drop the appropriate number into the box

Mathematics

1 answer:

lyudmila [28]3 years ago

4 0

Answer:

142ft squared

Step-by-step explanation:

It was actually very easy, the working may not be clear and hard to understand but it's on the attached image. Hope I helped! :)

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3 years ago

Two of the exterior angles of a triangle are $158^\circ$ and $99^\circ.$ Find the third exterior angle, in degrees.

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Answer:

The third exterior angle is $103^o$

Step-by-step explanation:

Given

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$\alpha = 99^o$

Required

The third exterior angle $(\beta)$

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So:

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Answer:

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3 years ago

Triangle ABC has a perimeter 22cm AB = 8cm BC =8cm By calculation, deduce whether triangle ABC is a right angle triangle. NEED A

Likurg_2 [28]

Answer:

No ABC is not a triangle

Step-by-step explanation:

Perimeter = 22 cm

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AC = 22 - ( 8 + 8 ) = 6 cm

But all those sides doesn't follow Pythagorean Theorem(AB^2 + BC^2 = AC^2) ....because 8^2 + 8^2 isn't equal to 6^2 ......

Had it followed the theorem , it could have been a right angle triangle...

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