Answer:
number 3
Step-by-step explanation:
Answer:
(a is size of side of triangle)
the perimeter of equilateral triangle =3a
or, 36=3a
Thus, a = 13cm
area of equilateral triangle
=√3/4*(a^2 )
=√3/4*(13^2)
=73cm^2
<span>a translation 7 units left and 6 units up?
</span>7 units left (x ----> x - 7)
<span>6 units up (y ----> y + 6)
</span><span>
answer
</span><span>B(x - 7, y + 6)</span><span>
</span>
Answer:
44
Step-by-step explanation:
Hello There!
To solve this one all we have to do is plug in 5 for a
so
9(5)-7+6
9x4=45
45-7=38
38+6=44
so when a=5 the value of the expression is 44