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Triangle PQR is isosceles and
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10 Apr 2022, 23:24
10 Apr 2022, 23:24
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Question Stats:
63% (01:15) correct
36% (00:51) wrong based on 11 sessions
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Triangle \(PQR\) is isosceles and \(\angle PQR\) measures 50 degrees. Which of the following could be \(\angle PRQ\)?
Select all values that apply.
(A) 60°
(B) 65°
(C) 80°
(D) 100°
(E) 130°
Select all values that apply.
(A) 60°
(B) 65°
(C) 80°
(D) 100°
(E) 130°
Part of the project: GRE Quantitative Reasoning Daily Challenge - (2022) EDITION
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: Triangle PQR is isosceles and
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11 Apr 2022, 06:14
11 Apr 2022, 06:14
1
Carcass wrote:
Triangle \(PQR\) is isosceles and \(\angle PQR\) measures 50 degrees. Which of the following could be \(\angle PRQ\)?
Select all values that apply.
(A) 60°
(B) 65°
(C) 80°
(D) 100°
(E) 130°
Select all values that apply.
(A) 60°
(B) 65°
(C) 80°
(D) 100°
(E) 130°
Part of the project: GRE Quantitative Reasoning Daily Challenge - (2022) EDITION
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
Key property: An isosceles triangle has two equal angles
If angle PQR is one of the two equal angles, then angle RPQ could also be 50°, which means angle PRQ would be 80° (since the three angles must add to 180°).
Alternatively, if angle PQR is NOT one of the two equal angles, then angles RPQ and PRQ would each be 65° (since the three angles must add to 180°).
Answer: B and C
gmatclubot
Re: Triangle PQR is isosceles and [#permalink]
11 Apr 2022, 06:14
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