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Answer:
B) (x)=5
(y)=7
C) (15cm)
Step-by-step explanation:
B) 5x =25 (corresponding sides are always equal)
x=25/5=5
x= 5
4y+2 =30
(corresponding sides are always equal)
4y=30-2=28
y=28/4=7
C) TO FIND H
WE HAVE TO DO
b²+l² =h²
9²+12²=h²
81+144=h²
225 = h²
√225= h
15 cm=h
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Answer:
1st problem
In a parallelogram opposite sides are equal
Therefore ux=vw and uv=xw
4y+2=30 and 5x=25
4y+2=30
4y=28
Y=28/4
Therefore y=7
5x=25
X=5
Therefore y=7, x=5
2nd problem
TriangleLMN is a right angled triangle
Lm=12cm
Mn=9cm
Pythagoras theorem
Hyp^2=side^2+side^2
Here Ln is hyp necause it is opposite to 90 degrees
Assume Ln=x
Applying Pythagoras theorem
X^2=12^2+9^2
X=
X=15
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