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Vika [28.1K]
3 years ago
6

An angle measures 7.4° less than the measure of its complementary angle. What is the measure of each angle?

Mathematics
1 answer:
Xelga [282]3 years ago
5 0

Answer:

41.3° and 48.7°

Step-by-step explanation:

Complementary angles are angles with the sum of 90°

if one of the angle is 7.4° less than other

(90 - 7.4) ÷ 2 = 41.3° is the measure of smaller angle and

41.3 + 7.4 = 48.7° is the measure of bigger angle

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Given m<12= 121 and m<6= 75, find the measure of each missing angle.
slava [35]

Answer/Step-by-step explanation:

Given:

m<12 = 121°

m<6 = 75°

a. m<1 = m<6 (vertical angles)

m<1 = 75° (substitution)

b. m<12 = m<1 + m2 (alternate exterior angles)

121° = 75° + m<2 (substitution)

121° - 75° = m<2 (subtraction property of equality)

46° = m<2

m<2 = 46°

c. m<1 + m<2 + m<3 = 180° (angles on a straight line)

75° + 46° + m<3 = 180° (substitution)

121° + m<3 = 180°

m<3 = 180° - 121° (subtraction property of equality)

m<3 = 59°

d. m<4 = m<3 (vertical angles)

m<4 = 59° (substitution)

e. m<5 + m<4 + m<6 = 180° (angles on a straight line)

m<5 + 59° + 75° = 180° (substitution)

m<5 + 134° = 180°

m<5 = 180° - 134° (Subtraction property of equality)

m<5 = 46°

f. m<7 = m<12 (vertical angles)

m<7 = 121° (substitution)

g. m<8 = m<4 (vertical angles)

m<8 = 59° (substitution)

h. m<9 = m<6 (Alternate Interior Angles)

m<9 = 75° (substitution)

i. m<10 + m<9 = 180° (Linear Pair)

m<10 + 75° = 180° (substitution)

m<10 = 180° - 75° (Subtraction property of equality)

m<10 = 105°

j. m<11 = m<8 (vertical angles)

m<11 = 59° (substitution)

k. m<13 = m<10 (vertical angles)

m<13 = 105° (substitution)

l. m<14 = m<9 (vertical angles)

m<14 = 75° (substitution)

5 0
4 years ago
Reflect (7, 3) in (a) the x-axis and (b) the y-axis
Kisachek [45]

Answer:

In x-axis: (7,-3), In y-axis: (-7,3)

Step-by-step explanation:

The rule of the reflection of a point across the x-axis is as shown:

The reflection of the point (x,y) across the x-axis is given by (x,-y).

The point given to us is (7,3), when reflected across the x-axis we get:

(x,-y)=(7,-3)

Now, when a point (x,y) is reflected across the y-axis we get the point (-x,y).

So when the point (7,3) is reflected across the y-axis we get: (-x,y)=(-7,3).

3 0
4 years ago
I enter the bedroom. There are 34 people. You kill 30. How many people are in the bedroom?
agasfer [191]
There would be 4 people alive
5 0
3 years ago
Read 2 more answers
2x4x6x6x593838x52536733772737372737373838
MrRissso [65]

Answer:

the answer is 8.98511296611E33

5 0
3 years ago
There is a square pyramid on the top of the dog house for the roof. The base length is 4 feet and the slant height is 7 feet. Fi
crimeas [40]

Answer: 56

Step-by-step explanation:

4(bh/2)

4(4(7)/2)

4(28/2)

4(14)

56

7 0
3 years ago
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