Answer:
To find the area of a triangle, you will times height by base and divide by then divide by two. In this case, the height is 22 and the base is 10. 22 times 10 is 220. You then would divide 220 by two, making your answer 110 cm squared.
Step-by-step explanation:
Here you go i hope this helped you
<span>Multiply
the 1st equation by 5 and multiply the 2nd equation by 2. This will
eliminate the x's when you add the two new equations together.
</span>
<span>A) −2x+3y=8
B) 5x+4y=10
So we multiply A) by 5 and B) by 2
</span><span>A) −10x+15y=40
B) 10x+8y=20
</span>
Adding the equations:
23y = 60
y =
<span>
<span>
<span>
2.6086956522
</span>
</span>
</span>
Answer:
125
Step-by-step explanation:
/_ ACB = 180
/_ ACD = 55
/_ ACB is made up of /_ACD and
/_ DCB
Hence, /_ ACB = /_ ACD + /_ DCB
*We then plug in the known values*
180 = 55 + /_ DCB
We now solve for the missing angle
Subtract 55 from both sides
125 = /_ DCB