Answer:
1. 25 m
2. 660 cm
3. 42 m
Step-by-step explanation:
1. Formula of the area of a triangle ⇒ [tex]\frac{h_{b}b }{2}[/tex]
[tex]A = \frac{h_{b}b }{2}[/tex]
[tex]= \frac{(5)(10)}{2}[/tex]
[tex]= \frac{50}{2}[/tex]
[tex]= 25m[/tex]
2. Formula of the area of a parallelogram ⇒ b x h
[tex]A = (b)(h)[/tex]
[tex]= (22)(30)[/tex]
[tex]= 660cm[/tex]
3. Formula of the area of a trapezoid ⇒ [tex]\frac{a+b}{2} h[/tex]
[tex]A = \frac{a+2}{2} h[/tex]
[tex]= \frac{18+10}{2} 3[/tex]
[tex]= \frac{28}{2} 3[/tex]
[tex]= 14 (3)[/tex]
[tex]= 42 m[/tex]
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Verified answer
Answer:
1. 25 m
2. 660 cm
3. 42 m
Step-by-step explanation:
1. Formula of the area of a triangle ⇒ [tex]\frac{h_{b}b }{2}[/tex]
[tex]A = \frac{h_{b}b }{2}[/tex]
[tex]= \frac{(5)(10)}{2}[/tex]
[tex]= \frac{50}{2}[/tex]
[tex]= 25m[/tex]
2. Formula of the area of a parallelogram ⇒ b x h
[tex]A = (b)(h)[/tex]
[tex]= (22)(30)[/tex]
[tex]= 660cm[/tex]
3. Formula of the area of a trapezoid ⇒ [tex]\frac{a+b}{2} h[/tex]
[tex]A = \frac{a+2}{2} h[/tex]
[tex]= \frac{18+10}{2} 3[/tex]
[tex]= \frac{28}{2} 3[/tex]
[tex]= 14 (3)[/tex]
[tex]= 42 m[/tex]