Answer:
15 cm²
Step-by-step explanation:
Area of a triangle =
* base * height
Base = 10 cm
Height= 3 cm
Area =
* 10cm * 3cm
= 5cm * 3cm
= 15cm²
Answer:
7
Step-by-step explanation:
24^2+b^2=25^2
576+b^2=625
<u>-576</u> <u>-576</u>
b^2=49
√b=√49
b=7
Answer:
28 square units
Step-by-step explanation:
count the middle and edgr squares then u can just put the parts of the square together