涓夎褰㈢殑璇佹槑
銆愮煡璇嗘⒊鐞嗐�?/p>
涓�銆佺瓑鑵颁笁瑙掑舰
1
锛庣瓑鑵颁笁瑙掑舰鐨勫畾涔夛細
____________
鐨勪笁瑙掑舰鏄瓑鑵颁笁瑙掑舰锛?/p>
2
锛庣瓑鑵颁笁瑙掑舰鐨勬�ц川
(1)
绛夎叞涓夎褰袱搴曡
____________
锛?/p>
(2)
绛夎叞涓夎褰㈤《瑙掔殑骞冲垎绾裤�佸簳杈逛笂鐨勪腑绾裤�佸簳杈逛笂鐨勯珮浜掔浉閲嶅悎锛岀畝绉帮細
____________
锛?/p>
(3)
绛夎叞涓夎褰㈡槸杞村绉板浘褰紝鏈?/p>
鏉″绉拌酱锛?/p>
3.
绛夎叞涓夎褰㈢殑鍒ゅ畾鏂规硶
(1)
瀹氫箟鍒ゅ畾锛氫竴涓笁瑙掑舰涓紝濡傛灉鏈変袱鏉¤竟
____________
锛岄偅涔堣繖涓笁瑙掑舰鏄瓑鑵颁笁瑙掑舰锛?/p>
(2)
鍒ゅ畾瀹氱悊锛氱瓑瑙掑绛夎竟锛屽嵆涓�涓笁瑙掑舰涓紝濡傛灉鏈変袱涓鐩哥瓑锛岄偅涔堣繖涓や釜瑙掓墍瀵圭殑杈?/p>
____________
锛?/p>
4.
绛夎竟涓夎褰㈢殑鎬ц川
绛夎竟涓夎褰㈢殑鍚勮閮?/p>
____________
锛屽苟涓旀瘡鈥斾釜瑙掗兘绛変簬
锛涚瓑杈逛笁瑙掑舰鏄酱瀵圭О鍥惧舰锛屾湁
鏉″绉拌酱锛?/p>
5.
绛夎竟涓夎褰㈢殑鍒ゅ畾
(1)
涓夎竟閮界浉绛夌殑涓夎褰㈡槸绛夎竟涓夎褰紱
(2)
涓変釜瑙掗兘鐩哥瓑鐨勪笁瑙掑舰鏄瓑杈逛笁瑙掑舰锛?/p>
(3)
鏈変竴涓绛変簬
鐨勭瓑鑵颁笁瑙掑舰鏄瓑杈逛笁瑙掑舰
.
浜屻�佺洿瑙掍笁瑙掑舰
1.
鐩磋涓夎褰㈢殑瀹氫箟
鏈変竴涓鏄?/p>
鐨勪笁瑙掑舰鍙仛鐩磋涓夎褰?/p>
2.
鐩磋涓夎褰㈢殑鎬ц川
(1)
鐩磋涓夎褰㈢殑涓や釜閿愯
________
锛?/p>
(2)
鍦ㄧ洿瑙掍笁瑙掑舰涓紝濡傛灉涓�涓攼瑙掔瓑浜?/p>
30
掳锛岄偅涔堝畠鎵�瀵圭殑鐩磋杈圭瓑浜庢枩杈圭殑
____________
锛?/p>
銆愪緥棰樼簿璁层�?/p>
鑰冪偣涓�銆佺瓑鑵颁笁瑙掑舰鐨勬�ц川
渚?/p>
1
鑻ョ瓑鑵颁笁瑙掑舰鐨勫懆闀夸负
10
cm
锛屽叾涓竴杈归暱涓?/p>
2
cm
锛屽垯璇ョ瓑鑵颁笁瑙掑舰鐨勫簳杈归暱涓猴紙
锛?/p>
A
锛?/p>
2
cm
B
锛?/p>
4
cm
C
锛?/p>
6
cm
D
锛?/p>
8
cm
鑰冪偣浜屻�佺瓑鑵颁笁瑙掑舰鐨勬湁鍏宠鐨勮绠?/p>
渚?/p>
2
濡傚浘锛屽湪鈻?/p>
ABC
涓紝
AB
=
AC
锛屸垹
A
=
30
掳锛?/p>
AB
鐨勫瀭鐩村钩鍒嗙嚎
l
浜?/p>
AC
浜庣偣
D
锛屽垯鈭?/p>
CBD
鐨勫害鏁颁负锛?/p>
锛?/p>