Answer:
are of traingle is 1/2XBXH
1/2X4XH=20cm²
H=20X2÷4
H= 10 cm
hope this helps u
<u>Using formula:</u>
<u>Putting values in the formula:</u>
<u>Height of Traingle is 10cm</u>
answer :
y = 2x + 7
i hope it helped