Answer:
Step-by-step explanation:
(19x15)+(19x20)+(19x25)+(15x20)= 1440cm²
Answer:
1072.3
Step-by-step explanation:
A hemisphere is half of a sphere, so the volume V of the hemisphere is the volume of the sphere divided by 2.
V = (2/3)*

= (2/3)*

= (2/3)*
*512
= 1072.3
Answer:
A
Step-by-step explanation:
(6.2).10=120cm²
Đáp án đó chúc bạn học tốt
Answer:
by the question
statement. reason
1.<ABD=<ADB. given
2<CBD=<CDB. given
3 <ABD +<CBD=. adding statement 1
<ADB+<CDB. and second
4.<ABC=<ADC. by whole part axiom