P6 S1ExamReview (Angle,Circle and Composite Figure)

AC is the ... of the circle.

• radius

• radii

• diameter

• circumference

....., .... and .... are the radii of the circle.

• AC, BD and BA

• OA, OE and OC

• OC, BC and BA

• AE, AC and AO

Triangle ABC on the picture above is an isosceles triangle. Find  $\angle$  EAD

• 36 $\degree$  

• 38 $\degree$  

• 42 $\degree$  

• 45 $\degree$  

Based on the property of angles where vertically opposite angles are equal, which of the following statement is true?

• $a\degree=b\degree$

• $a\degree+b\degree=180\degree$

• $a\degree+b\degree=360\degree$

• $a\degree>b\degree$

Which of statements below is true?

• $\angle PSR\ +\angle125\degree\ =180\degree$

• $\angle PSR=125\degree+70\degree$

• $\angle PSR=\angle PQR$

• $\angle PSR\ =\ 180\degree-70\degree$

Find  $\angle XWY$  !

•  $64\degree$  

•  $68\degree$  

•  $72\degree$  

•  $78\degree$  

( $\pi=\frac{22}{7}$ ) What is the circumference of a wheel with a radius of 7 cm.

• 22 cm

• 35 cm

• 40 cm

• 44 cm

When the diameter of a circle is 35 cm. What is the radius and the perimeter of it?

• radius= 7 cm, perimeter= 110 cm

• radius= 17.5 cm, perimeter= 110 cm

• radius= 17.5 cm, perimeter= 1925 $cm^2$

• radius= 35 cm, perimeter= 1925 $cm^2$

What is the perimeter of the shaded figure?  $\pi=3.14$  

• 21.5 cm

• 28.8 cm

• 35.7 cm

• 41.4 cm

 $\pi=3.14$  

If the height of the triangle is 30cm, find the area of the figure.

• 628  $m^2$  

• 717   $m^2$  

• 926  $m^2$  

• 1228  $m^2$