Doubling all the dimensions of a triangular pyramid, the volume of the pyramid becomes quadrupled.
Explanation:
The volume of the triangular pyramid is given by

where b is the base of the pyramid and
h is the height of the pyramid.
Doubling all the dimensions of the pyramid, we have,
and 
Thus, volume of the triangular pyramid is given by

Multiplying, we get,



Thus, doubling all the dimensions of a triangular pyramid, the volume of the pyramid becomes quadrupled.
Boys to girls ratio is 3:4 so for every 7 students 3 are boys and 4 are girls bc 3+4 is total students in the ratio. boys are 3/7 so out of 28 students there are 12 boys and girls are 4/7 so out of 28 students 16 are girls
12/28 are boys
16/28 are girls
Answer: 4
<u>Step-by-step explanation:</u>
3(x) : 8
<u> *2 </u>: <u> *2 </u>
= 24 : 16
⇒ 6x = 24
⇒ x = 4
The area of the triangle is 14.625.... in order to find the area of a triangle just use this formula b×h÷2
Answer:
c
Step-by-step explanation:
you divide each side by four to get a=2.5 b=2.5 and c=3