# Math Olympiad Grade 4 Geometry Test-6

Geometry Worksheet-6

1. What do you call an angle that has measure more than 90° but less than 180°?

A. straight         B. right               C. acute              D. obtuse

1. What type of angle is shown below?

A. obtuse            B. acute              C. Right              D. straight

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1. Identify the scalene triangle.

A.     B.         C.            D.

1. What type of triangle is shown below?

A. acute              B. obtuse            C. right               D. equilateral

1. What is the total measure of all four interior angles in a quadrilateral?

A. 350º              B. 360º              C. 180º               D. 380º

1. What is the geometric name of the quadrilateral shown below?

A. rhombus       B. trapezoid      C. rectangle       D. square

1. What kind of triangle always has 3 acute angles and 3 sides the same length?

A. scalene          B. right               C. equilateral    D. isosceles

1. Identify the quadrilateral shown below.

A. rhombus       B. rectangle       C. trapezoid      D. parallelogram

1. Three angles in a quadrilateral measure 70o, 60o and 120o. What is the measure of the fourth angle?

A. 110º               B. 130º               C. 100º               D. 120º

1. Which of the following could be the measure of an acute angle?

A. 130º               B. 90º                 C. 180º               D. 50º

Answer Keys

(11)–D; (12)–C; (13)–A; (14)–A; (15)–B; (16)–A; (17)–C; (18)–C; (19)–A; (20)–D