Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 340 - 342 of 989

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Question 340

Mathematics
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Question

MCQ▾

An exterior angle of a triangle is and one of the interior of opposite angles is . Then the other two angles of a triangle are

Triangle poly1Triangle poly1: Polygon A, B, CArc dArc d: Semicircle through I and JArc eArc e: Semicircle through K and LSegment cSegment c: Segment [A, B] of Triangle poly1Segment aSegment a: Segment [B, C] of Triangle poly1Segment bSegment b: Segment [C, A] of Triangle poly1Segment fSegment f: Segment [B, H] Point AA = (-0.58,3.26) Point AA = (-0.58,3.26) Point AA = (-0.58,3.26) Point BB = (-1.8,0.26) Point BB = (-1.8,0.26) Point BB = (-1.8,0.26) Point CC = (2.74,0.26) Point CC = (2.74,0.26) Point CC = (2.74,0.26) 40â°text1 = “40â°”105â°text1_1 = “105â°”

Image of a Triangle Having 105 Degree of Exterior Angle

Choices

Choice (4)Response

a.

b.

c.

d.

Question 341

Mathematics
Edit

Question

MCQ▾

The circumference of a circle is 120 cm. The length of an arc of is

Choices

Choice (4)Response

a.

45 cm

b.

15 cm

c.

60 cm

d.

30 cm

Question 342

Mathematics
Edit

Question

MCQ▾

An exterior angle of a triangle is equal to the sum of two ________ angles.

Choices

Choice (4)Response

a.

Interior opposite

b.

Exterior opposite

c.

Interior

d.

Opposite