Grade 7 - Mathematics 9.61 Geometry And Measurement - Review Test

Q 1: An arc AB subtends an angle of 240 ° at the center O of a circle. Find the radius of the circle if the area of the sector OAB is given by 102.67 sq cm. 8 cm 9 cm 6 cm 7 cm

Q 2: A sector has radius is 8 cm. Find the length of an arc of the sector if its area is given by 480 sq cm. 180 cm 120 cm 160 cm 120 cm

Q 3: The arc of a sector whose radius is 15 cm is 16 cm. Find its area. 150 Sq.cm. 140 Sq.cm. None of these 120 Sq.cm.

Q 4: The base and height of a triangle are 4 cm and 5 cm respectively. Find its area. 20 sq.cm 10 sq.cm 5 sq.cm 6 sq.cm

Q 5: The outer and inner radii of a ring are 17.5x cm and 15.75x cm. Find x if its area is given by 731.5 sq cm. 3 cm 2 cm 1 cm 4 cm

Q 6: The area of circular park is 3850 square metres. Find the width of the path laid around and inside of the circular park if the area of the path is given by 3876 square metres. 0.7 m 7 m 0.007 m 0.07 m

Q 7: The length of an arc of a sector whose radius is 28 cm, is 132 cm. Find its area. 1263 sq cm 1849 sq cm 1848 sq cm 1346 sq cm

Q 8: In a quadrilateral, the diagonals intersect at right angles and have lengths equal to 7.5 cm and 8.5 cm respectively. Find the area of the quadrilateral. 31.23 sq cm 32.78 sq cm 32.15 sq cm 31.88 sq cm

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