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natali 33 [55]
3 years ago
8

Devin started the work shown to solve for the unknown angle measures. 8x – 1 + 9x – 6 = 180 17x – 7 = 180 17x = 187 What are the

measures of angles Q and R?
Mathematics
2 answers:
makvit [3.9K]3 years ago
6 0

Answer:

m

m

Step-by-step explanation:

we have that

m

m

m ------> by supplementary angles

Substitute the values and solve for x

8x-1+9x-6=180\°

17x-7=180\°

17x=187\°

x=11\°

Find the value of angle R

m

Find the value of angle Q

m

nadezda [96]3 years ago
4 0

Answer:

93 and 87

Step-by-step explanation:

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In ΔUVW, w = 9 cm, v = 2.2 cm and ∠V=136°. Find all possible values of ∠W, to the nearest 10th of a degree.
Alja [10]

Complete Question

In ΔUVW, w = 9 cm, v = 22 cm and ∠V=136°. Find all possible values of ∠W, to the nearest 10th of a degree.

Answer:

16.5°

Step-by-step explanation:

In ΔUVW, w = 9 cm, v = 22 cm and ∠V=136°. Find all possible values of ∠W, to the nearest 10th of a degree.

We solve using Sine rule formula

a/sin A = b/sin B

We are solving for angle W

∠V=136°

Hence:

22 /sin 136 = 9 /sin W

Cross Multiply

22 × sin W = sin 136 × 9

sin W = sin 136 × 9/22

W = arc sin [sin 136 × 9/2.2]

W = 16.50975°

W = 16.5°

3 0
3 years ago
Alana is making circular picture frames. She needs to put a ribbon along the border of each one. Use what you know about pi and
ki77a [65]
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7 0
3 years ago
A rectangular yard measuring 41ft by 60ft is bordered (and surrounded) by a fence. Inside, a walk that is 4ft wide goes all the
Alexandra [31]

area of yard = 41 x 60 = 2460 square feet

walk is 4 feet wide

 41-4 =37, 60-4 = 56

37*56 = 2072

2460-2072 = 388

 area of walk is 388 square feet

8 0
2 years ago
how do you solve this problem to find the measure of the angle indicated in bold? thank you pls answer!
Mnenie [13.5K]

Answer: 85 degrees

Step-by-step explanation: 20x+5+24x-1=180

                                                         44x+4=180

                                                           -4         -4

                                                              44x=176

               division property of equality  x=4

20(4)+5=

80+5=  85 degrees

5 0
2 years ago
Plz Help me 50 points to who ever answers firstt
artcher [175]

Answer:

\boxed{\bold{57 \ Ft.}}

Step-by-step explanation:

  • Assignment: Find area of rectangle without triangle

Area of whole rectangle including triangle: 66 Feet

(6 * 11 = 66)

Area of Triangle: \bold{\frac{1}{2}Base \ \cdot \ Height }

Height: 3

Base: 6 (Solved by using this: (11 - 2 + 3))

Half of base: 3

3 * 3 = 9

66 - 9 = 57

4 0
3 years ago
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