Quiz 26, 12.7 - 12.11 Flashcards
1
Q
Write the formula for the area of a triangle
A
A = 1/2bh
2
Q
Write the formula for the area of a trapezoid.
A
A = h(b1 + b2) divided by 2
3
Q
Write the type of angle that contains 90 degrees
A
right angle
4
Q
Write the type of angle that contains less than 90 degrees.
A
acute angle
5
Q
Write the number of degrees in a triangle
A
180
6
Q
Write the type of triangle that has only two congruent sides.
A
isosceles
7
Q
Write the number of degrees in the third angle if the other two angles have 25 degrees & 80 degrees.
A
75
8
Q
Write the name of the instrument that is used to measure the number of degrees in an angle.
A
protractor
9
Q
Write the number of right angles in a square.
A
4
10
Q
One side of an equilateral triangle is 15 in. Find the perimeter of the triangle.
A
15 + 15 + 15 =
45 in.
