Answer:c)21
Step-by-step explanation:
i just took the quiz
Answer:
it is 6cm2
Step-by-step explanation:
because see how many faces does it have
Given:
In a right angle triangle θ is an acute angle and
.
To find:
The value of
.
Solution:
In a right angle triangle,

We have,

It means the ratio of perpendicular to base is 3:5. Let 3x be the perpendicular and 5x be the base.
By using Pythagoras theorem,





In a right angle triangle,



Therefore, the value of
is
.
Answer:
Each side of the triangle is 4cm and each angle is 60 degrees
Step-by-step explanation: