copy of พื้นที่ปริซึมและพีระมิด11
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MAIN MENU 1. 2. 3. 4. 5. 6. 7.
x = = 1 () 2 = x = + =
x
x = ( x = ) x ( x = ) x 3 = 4 x ()2 x
= ( 1 2 ) x
= x = x 1 2 =
= x ( x x ) = x x = 2
= + ( 2 )
=
+
1 = 3
1
2 3
4 5
6
7 8
9
10
1. 20 . 30 . 0.1 . 2 . 3 . 1 . 1) 8 2) 9 3) 10 4) 11
A 25 H 3 G 24 2
F E
9
B
C
D
2. .. 1) 222 .. 3) 444 .. 2) 333 .. 4) 555 ..
3. 5 .. 3 . 10 .. 1) 1 . 3) 7 . 2) 4 .
4) 13 .
4. 12 .. 32 .. 29,040 ... 55 ..
1) 5,936 .. 3) 6,255 ..
2) 6,556 .. 4) 6,336 ..
5. 15 .. 30 .. 50 .. 29.59 ( 1,000 .... = 1 )
1) 665.78 3) 600.00
2) 668.75 4) 700.25
A 13 . C10 .
6. 1) 10 . 3) 14 . 2) 12 . 4) 16 .
10 .
B
4 . 6 . 6 .
7. 1) 52 .. 3) 84 .. 2) 74 .. 4) 96 ..
4 .
8. 1) 8 .. 3) 24 ..
6 .
2 .
2) 16 .. 4) 32 ..
16 A
D
1) 1,256 . 3) 1,206 .
16 .
16 .
B
C
2) 1,280 . 4) 1,290 .
A 15 . B 40 .
C40 .
10. 40 15 2) 2,550 1) 2,500 .. .. 4) 3,600 3) 3,200 .. ..
!
!
1 2 3 4 5 7 8
6
9
10
1 20 . 30 . 0.1 . 2 . 3 . 1 . = 20 * 30 * 0.1 .. .. = 2 * 3 * 1 .. = 6 .. 60/6 = 10 =60
A 25 H 3 G 24 2
F E
9
B
C
D
2 .. AFHB = 25 * 3 = 75 .. CGED = 3 * 24 = 72 .. AFEG = 9 * 3 = 27 .. BHDC = 2 * 3 = 6 .. ABCG = * (2+9) * 24
3 5 .. 3 . 10 .. h = * 10 = 5 * h h = 2 = 3 2 =
1 . 1 .
= 55 . = x 29,040 = 55 29,040 = ( x = ABCD) 55 29,040 = ( 1/2 1/2(12+32) 24 = 528 ) 55 29,040 = 1/2 (AB+DC) CY = 55 29,040 = 1/2 (12+32) CY( )+2( ) 55 29,040 = 1/2 (44) CY 55 = (32+26+12+26)55]+2 (528) 29,040 = 22 CY =[(32+26+12+26) 55 55]+2(528) 29,040 = 1,210 =(9655]+2(528) CY
5 = = 24 . , = 168 . 168 = 24 = 7 = 7
A 13 . C10 .
6 BC 10 = 5 . AB (AB^2) + (BC^2) = AC^2 (AB^2) + (5^2) = 13^2 (AB^2) + 25 = 169 AB^2 =144
10 .
B
A 4 .
7 BC 6 = 3 . AC (AB^2) + (BC^2) = AC^2 (4^2) + (3^2) = AC^2 16 + 9 = AC^2 25 = AC^2 AC = 5 ( ) = ( * 5 * 6 ) * 4 = 60
6 .
B
C6
.
4 .
3 = 1/3 * * = 1/3 * 12 *4 = 16 16 ..
6 .
2 .
A
9 ( ) = x C B D = 16 x 16 = 256 . 16 16 A . . 3.AD 343 AC *( AD^2 ) + AB ( DB^2 ) = ( AB^2 ) AD ( AD^2 ) + 64 = 289 AB ( AD^2 ) = 225 ^2 )+( BC^2 )= ( AC^2 ) ^2 )+( 8^2 ) = ( 343^2 ) AD = 15 ( ) ^2 )+64=343 4. = 1/3 2 = 289 = 17( x ) x
10 15 1. ( . ) = x 4 B C40 . = 40 x 40 . 4= 160 . 3. = 2. A 1/2 x x AC AB AC =1/2 x 160 x 25 ( AB^2 )+( BC^2 )= ( AC^2 ) ( 15^2 )+( 20^2 ) = ( AC^2 ) =2,000 225+400= ( AC^2 ) 4. ( ) AC^2 = 625 = x AC = 25(
A