PLEASE HELP DUE IN A FEW MINUTES 26 POINTS Calculate the size of the unknown angle

Mathematics

2 answers:

statuscvo [17]3 years ago

7 0

Answer:

Hello! answer: 35 degrees

Step-by-step explanation:

That is forming a supplementary angle meaning it will add up to 180 degrees 180 - 145 = 35 therefore x = 35 HOPE THAT HELPS!

MAXImum [283]3 years ago

5 0

Answer: 35 degrees

Step-by-step explanation: 180-145=35

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What is the measure of the missing angle?

Lerok [7]

Answer:

115°

Step-by-step explanation:

Knowing that the sum of all interior angles of any triangle is 180 degrees, we can find the measurement of the missing angle of the triangle. The calculation is 180 - 75 - 40 = 65. Then, notice that the blue angle and the missing angle are supplementary (linear; add up to 180 degrees). So we can find the blue angle's measurement by 180 - 65, so the answer is 115 degrees.

3 0

2 years ago

Reflection across y = -x please I need help I will mark you brainless

tresset_1 [31]

Answer is
U= (-2,2)
V=(-2,4)
W= (-4,3)

Step by step
Find points for the triangle.
Using the rule for reflection across y axis.

The rule for a reflection over the y -axis is (x,y)→(−x,y)

U (2,2) ➡️ (-2,2)

V (2,4) ➡️ (-2,4)

W (4,3) ➡️ (-4,3)