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Ne4ueva [31]
3 years ago
12

In triangle ABC AB is equals to AB and Angle B equal to 80 find the angle A​

Mathematics
1 answer:
insens350 [35]3 years ago
4 0

Answer:

∠A = 20°

Step-by-step explanation:

Given:

Line AB equal to line AC

So, we can say that;

∠B = ∠C

So

∠B = ∠C = 80°

Using angle sum rule

∠A + ∠B + ∠C = 180°

∠A + 80° + 80° = 180°

∠A = 20°

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andrew11 [14]

Answer:

The kilometer by walking = 4.32 km

The kilometer by bus = 30.77 km

Step-by-step explanation:

Please find the attached files for the solution

4 0
4 years ago
Please help I'll give 100 points to whoever is correct
levacccp [35]

Answer:

110.5 yd²

Step-by-step explanation:

Separate the figure into 1 triangle and 3 rectangles.

(see attached image)

<u>Area 1</u>

Area of a triangle = 1/2 × base × height

                             = 1/2 × (7 + 2 + 2) × 7

                             = 1/2 × 11 × 7

                             = 38.5 yd²

<u>Area 2</u>

Area of a rectangle = width × length

                                 = 3 × (5 + 2 + 2)

                                 = 3 × 9

                                 = 27  yd²

<u>Area 3</u>

Area of a rectangle = width × length

                                 = 5 × (5 + 2)

                                 = 5 × 7

                                 = 35  yd²

<u>Area 4</u>

Area of a rectangle = width × length

                                 = 2 × 5

                                 = 10  yd²

<u>Total Area</u>

Area 1 + Area 2 + Area 3 + Area 2 = 38.5 + 27 + 35 + 10

                                                        = 110.5 yd²

3 0
2 years ago
Read 2 more answers
The graph represents the function f(x) = x2 + 3x + 2.
Bezzdna [24]
For this problem, you have to find the g(x) right?

The f(x) is already given, so all you have to do is multiply both sides by negative 1 (-1) to get the g(x) which is the opposite.

It'll look like this (g(x) = x^2 + 3x + 2)(-1)

Then the answer should be, g(x) = -x^2  - 3x - 2


5 0
4 years ago
Possible names for the following angle -picture is shown
svlad2 [7]

Answer:

EFB

Step-by-step explanation:

E,F and B I believe

5 0
3 years ago
8
const2013 [10]
35 x 0.14 = 4.9

The total tip would be $4.9
3 0
3 years ago
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