제목 없는 강의수학
Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Hard
Jung (Uidisone)
FREE Resource
7 questions
Show all answers
1.
SLIDE QUESTION
30 sec • Ungraded
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
정삼각형의 한 각은?
20도
50도
60도
180도
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What property of an equilateral triangle is used to determine the length of the base of the right-angled triangle formed by its altitude?
All angles are 60 degrees.
It is also an isosceles triangle, and the altitude from a vertex bisects the opposite side.
All sides are equal in length.
It can be divided into two congruent right-angled triangles.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given an equilateral triangle with side length 'a', which expression correctly represents the square of its height (h^2) using the Pythagorean theorem?
a^2 - (a/2)^2
a^2 + (a/2)^2
(a/2)^2 - a^2
(sqrt(3)/2)a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An equilateral triangle has a side length of 6 units. What is its height?
3 units
3 * sqrt(3) units
6 * sqrt(3) units
9 units
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified formula for the area (S) of an equilateral triangle with side length 'a'?
(1/2) * a * h
(sqrt(3)/2) * a^2
(sqrt(3)/4) * a^2
(1/2) * a * (sqrt(3)/2)a
7.
OPEN ENDED QUESTION
3 mins • 1 pt
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