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Home › Grade7 › Grade 7 Olympiad › Math Olympiad-Grade-7 › Geometry & Mensuration › Geometry and Mensuration Worksheet-3

Geometry and Mensuration Worksheet-3

Geometry and Mensuration Worksheet-3

 

  1. Identify a ray in the figure shown below.

(a) DB                 (b) AD                (c) DC                 (d) AC

 

  1. What does DB represent?

(a) Line                                           (b) ray

(c) line segment                            (d) None of these

 

  1. Which has two end points?

(a) line segment                            (b) Line

(c) Ray                                            (d) both, lines and rays

 

  1. What are the two lines that meet at a right angle called?

(a) Parallel        (b) Vertical        (c) Alternate     (d) perpendicular

 

  1. What is the geometrical term for the red ray shown in the picture?

(a) Angle point                              (b) Angle bisector

(c) Corresponding ray                 (d) Angle divider

 

  1. Name one line in the picture shown below.

(a) DA                (b) DB                (c) CA                 (d) DC

 

  1. Find the supplement of 35°.

(a) 105°              (b) 145°              (c) 55°                (d) 65°

 

  1. Find the measure of the supplement of an angle whose complement measures 65 degrees?

(a) 25°                (b) 45°                (c) 125°              (d) 155°

 

  1. What is the area of a square with perimeter 112 cm?

(a) 12 sq cm      (b) 784 sq cm   (c) 28 sq cm      (d) 684 sq cm

 

  1. Find the area of the trapezoid shown here.

(a) 260 cm2       (b) 44 cm2         (c) 102 cm2       (d) 130 cm2

 

  1. The areas of two similar polygons are in the ratio 36 : 64. Find the ratio of the corresponding sides.

(a) 6 : 8              (b) 4 : 6              (c) 9 : 16             (d) 2 : 9

 

  1. A parallelogram has a base of length 15 inches and an area of 90 square inches. Find its height.

(a) 6 inches       (b) 75 inches     (c) 12 inches      (d) 15 inches

 

  1. What is the area of a parallelogram with base 9 m, side length 21 m, and height 16 m?

(a) 189 sq m      (b) 46 sq m       (c) 124 sq m      (d) 144 sq m

 

  1. A parallelogram-shaped field has an area of 66 square yards and a height of 12 yards. Find the length of its base.

(a) 54 yards       (b) 24 yards      (c) 5.5 yards      (d) 3.6 yards

 

  1. How many square tiles of size 100 cm are needed to cover a square shaped counter whose sides are 2 meter long?

(a) 200               (b) 100               (c) 400               (d) 40

 

  1. Find the area of an obtuse triangle with a base of 8 inches and a height of 12 inches.

(a) 20 sq in        (b) 4 sq in          (c) 36 sq in        (d) 48 sq in

 

  1. James wants to buy a rug to cover a square floor with an area of 144 ft2. What should be the length of each side of the rug?

(a) 14 ft              (b) 16 ft              (c) 12 ft               (d) 18 ft

 

  1. The base of a triangle with area of 27 square cm and height of 9 cm is _____

(a) 5 cm             (b) 6 cm             (c) 5 cm              (d) 122 cm

 

  1. Lines has _______ end points.

(a) No                 (b) 3                    (c) 2                    (d) 4

 

  1. Line segment has ______ end points.

(a) 1                     (b) 2                    (c) 3                    (d) No

 

Answer Key:

(1)-(d); (2)-(c); (3)-(a); (4)-(d); (5)-(b); (6)-(d); (7)-(b); (8)-(d); (9)-(b); (10)-(d); (11)-(a); (12)-(a); (13)-(d); (14)-(c); (15)-(c); (16)-(d); (17)-(c); (18)-(b); (19)-(a); (20)-(b)