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Law Incorporation [45]
3 years ago
5

What is the measurement of the angle B. please explain.​

Mathematics
2 answers:
jarptica [38.1K]3 years ago
7 0

Answer:

65

Step-by-step explanation:

Total degrees in triangle: 180

Angle 1= 50

We know that the other two angles are equal, so set it as "2x"

50 +2x= 180

2x=180

x=65

Natalka [10]3 years ago
4 0

Answer:

angle b is 65

Step-by-step explanation:

it states in the description below the question that the 2 missing angles are equivalent to each other. A triangle no matter what, ALWAYS has all it's interior angles equal to 180 degrees.

180-50= 130

130÷ 2 = 65

65 degrees is your answer

if you're at all confused about anything feel free to ask :)

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Answer:

Given: Quadrilateral P QR S  is a rectangle.

To prove :PR= Q S

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Proof: In Rectangle PQRS, and

→ taking two triangles PSR and Δ QRS

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→ ΔP SR ≅  Δ Q RS → [Side-Angle-Side Congruency]

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