2 years ago

In the diagram below, the value of y must be

Mathematics

1 answer:

REY [17]2 years ago

4 0

Answer:

y = 45°

Step-by-step explanation:

4 sides = 360°

(2y+1)° + y° + 112° + 112° = 360°

2y + y = 360 - 112 - 112 - 1

3y = 135

y = 135÷3

= 45°

You might be interested in

How many three-digit even numbers can be formed using digits from the set {1, 2, 3, 4, 5, 6, 7}

castortr0y [4]

The unit numbers can be 2,4,6.Suppose 2 as the unit number we can form 20 numbers the same way for 4 and 6 so totally 60 numbers.

6 0

2 years ago

Find the volume for the shape below

Thepotemich [5.8K]

30in I know that because I just did this .this is EASY!

4 0

2 years ago

Help help help help pls

Monica [59]

Answer:

$\theta = 82.2^\circ$

Step-by-step explanation:

$Let \ \angle BAC = \theta$

Opposite = BC ,

Adjacent = AB = x = 3 ,

Hypotenuse = AC = y = 22

<em><u>Using trigonometric ratios.</u></em>

$sin \theta = \frac{opposite}{hypotenuse }\\\\cos \theta = \frac{adjacent}{hypotenuse}\\\\tan \theta = \frac{opposite}{adjacent}$

Since we have adjacent and hypotenuse we use cosine's ratio

to find the angle.

$cos \theta = \frac{x}{y} = \frac{3}{22} \\\\\theta = cos^{-1} \frac{3}{22} = 82.16 = 82.2^\circ$

6 0

2 years ago

The triangles below are congruent, with △ABC ≅ △DEF. The following lengths are given in centimeters: AB⎯⎯⎯⎯⎯ = x + 1, AC⎯⎯⎯⎯⎯ =

stiks02 [169]

Answer:

It is Def because in a game Def means defend

Step-by-step explanation:

5 0

2 years ago

One day at lunch , a restaurant served 178 burgers, 63 grilled cheese sandwiches, and 37 salads.

GaryK [48]

178+63+37=278 So if we were ESTIMATING it would be around 280.
I hope that this helps!

5 0

3 years ago