2nd Partial Math

1.-When a triangle has three equal sides is __________.

• equilateral

• Isosceles

• scalene

2.-When the measure of one angle in a triangle is 90 degrees , the triangle is a ___________-

• sum of ang;le

• right angle

3.- When there no are equal sides in a triangle , the triangle is (a)  

4.- How many lines of symmetry has this figure ?

• 5 lines

• 10 lines

5.- In this polygon you can see rotational or reflective symmetry, (a)  

6.- Does it have rotational symmetry? yes or no

(a)  

7.-Express the following fraction or mixed number as a decimal :

23 =

1000

• O.023

• O.0023

8.-In the 1605.389 the digit 9 is in the ___________-.

• thousandths

• tenths

9.-Read and write the following decimals in the number line:

• 6.0 , 5.4

• 6.3 , 5.5

1.- solve the following division :

• 298

• 308