sociallyweirdmel sociallyweirdmel

27-03-2015
Mathematics

Answered

Three copies of a triangle were rotated and positioned as shown.

Which statement is always true about the angles in the figure?

A. Angle a and angle b form a right angle

B. Angle a, angle b, and angle c, form a straight angle.

C. angle a, angle b, and angle c from a acute angle.

D. Angle a and angle c form a right angle

Three copies of a triangle were rotated and positioned as shown Which statement is always true about the angles in the figure A Angle a and angle b form a right class=

Answer :

Kalahira Kalahira

13-04-2017

The question aks us to determine which statement is always true about the angles in the figure. If angle A and B form a right angle, then C must be also a right angle, which is not correct. Also if A and C form a right angle, then angle B must be a right angle. So answers A and C are false. Also thet we know that the sum of the interior angles of the triangle is 180 degrees. A + B + C = 180 deg. ( or a straight angle ). Answer: B. Angle A, angle B, and angle C, form a straight angle.

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