4.) Which angle measures less than 90 degrees and smaller than a right angle?
... acute angle
c. right angle
b. obtuse angle
d. straight angle
5.) Which of the following tells about obtuse angle?
a. It measures exactly 90° c. It measures exactly 180º.
b. It measures less than 90° d. It measures more than 90°but less than 180°
6.) How many sides does a triangle have?
a three
b. four
c. five
d. six
7.) What is the sum of the interior angle in a triangle?
360
b. 180°
c. 220°
d. 90°
8.) A triangle that has a right angle which measures 900.
a. Right Triangle
c. Obtuse Triangle
b. Acute Triangle
d. Scalene Triangle
9.) Which of the following triangle has 2 equal sides?
a. Equilateral b. Scalene
c. Obtuse
d. Isosceles
10.) Which of the following is NOT a quadrilateral?
a. Rhombus b. Trapezoid c. Triangle
d. Rectangle​