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Sladkaya [172]
2 years ago
9

I would wanna know how to solve this​

Mathematics
2 answers:
Anastasy [175]2 years ago
5 0

Step-by-step explanation:

Given,

AC=AD and ang CBA = ang BAD

To prove : Triangle ABC is congruent to Triangle ABD

Proof

Statements Reasons

1. In triangle ABC and 1.

Triangle ABD

i) AC = AD (S) i) Given

ii)ang CAB=ang BAD (A) ii) Given

iii) AB = AB (S) iii)common sides

2. Triangle ABC is

Congurent to triangle

ABD

2. From SAS fact

arsen [322]2 years ago
5 0

Step-by-step explanation:

In ∆ABC and ∆ABD

\sf AC=AD(Given)

\sf \angle ABC=\angle ABD(=90^{\circ})

\sf AB=AB(Common)

\sf \Delta ABC\cong\Delta ABD(SAS\: criteria)

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trapecia [35]
The answer is 108 as your surface area.

Work:
To find surface area, you find the area of each side and add it all together. For the bottom and the top sides, it’s 6 x 3 which equals to 18. 18 + 18 = 36. Then, 3 x 4 = 12. 12 + 12 = 24. 6 x 4 = 24. 24 + 24 = 48. Then, you add it all together which equals to 108. If what I did doesn’t makes sense, I’ll explain it more detailed here.

So, I found the area of the bottom side and multiplied it by 2 to represent the top and bottom sides. Then, I did the same thing for the other sides if that makes sense. I’m really sorry if I’m not explaining it well. I’m better at doing the work in my head and not on paper or explaining it to other people.

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2 years ago
Which is the value of this expression when j=-2
Nuetrik [128]

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Step-by-step explanation:

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-------------               ^3

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__________

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Work out the size of angle x 126* 43*
il63 [147K]

Answer:

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Step-by-step explanation:

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We should calculate the first one wich is given by : 180-126= 54

now finally :

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Step-by-step explanation:

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