Grade 10 Revision Day 1

Classify the angle as acute, right, obtuse, or straight.

The measure of angle R is 146°.

• straight angle

• right angle

• obtuse angle

• acute angle

 The measure of angle D is 79.6°.Find the measures of the complement and supplement of angle D.

• 100.4°; 10.4°

• 169.6°; 10.4°

• 10.4°; 100.4°

• 10.4°; 169.6°

Triangle LPQ has side lengths of 14, 25, and 15.

• isosceles triangle

• equilateral triangle

• scalene triangle

Triangle ABC has angles measuring 85°, 54°, and 41°.

• right triangle

• obtuse triangle

• acute triangle

• $BC\cong AB$

  
  

• $BC\cong NO$

• $BC\cong MP$

• $BC\cong MN$

The two triangle-shaped gardens are congruent. Find the missing side lengths and angle measures.

• x = 90°; y = 43°; z = 9.3 yd; u = 6.8 yd; v = 6.4 yd; w = 47°

• x = 90°; y = 43°; z = 9.3 yd; u = 6.4 yd; v = 6.8 yd; w = 47°

• x = 180°; y = 43°; z = 13.2 yd; u = 6.4 yd; v = 6.8 yd; w = 47°

• x = 90°; y = 43°; z = 9.3 yd; u = 6.4 yd; v = 6.8 yd; w = 137°

Use the circle name all the chords

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Find the area of the circle with the given radius or diameter. Round your answer to the nearest tenth.
 d=43.8 mm  $\pi=3.14$  

• 137.6 mm²

• 376.7 mm²

• 1,506.7 mm²

• 6,027.0 mm²

Use  $\pi$   = 3.14 to estimate the circumference of the circle to the nearest hundredth.

• 5.3

• 33.28

• 16.64

• 31.8

A circle has a circumference of 15.14 ft. Find the radius and the diameter. Round your answer to the nearest hundredth.

• 1.21 ft; 2.41 ft

• 4.82 ft; 9.64 ft

• 2.41 ft; 1.21 ft

• 2.41 ft; 4.82 ft