Một hình tam giác có diện tích là 216cm2, chiều cao là 18cm. Tính độ dài cạnh đáy của hình tam giác.body a,
body button,
body [type='button'],
body input[type='reset'],
body input[type='submit'],
body [role="button"],
::-webkit-search-cancel-button,
::-webkit-search-decoration,
::-webkit-scrollbar-button,
::-webkit-file-upload-button,
body .sweezy-custom-cursor-hover {
cursor:...
Đọc tiếp
Một hình tam giác có diện tích là 216cm2, chiều cao là 18cm. Tính độ dài cạnh đáy của hình tam giác.
body a, body button, body [type='button'], body input[type='reset'], body input[type='submit'], body [role="button"], ::-webkit-search-cancel-button, ::-webkit-search-decoration, ::-webkit-scrollbar-button, ::-webkit-file-upload-button, body .sweezy-custom-cursor-hover { cursor: url("data:image/png;base64,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") 1 1, pointer !important; } html, body, body select, body .sweezy-custom-cursor-default-hover { cursor: url("data:image/png;base64,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") 7 0, auto !important; }
body a,
body button,
body [type='button'],
body input[type='reset'],
body input[type='submit'],
body [role="button"],
::-webkit-search-cancel-button,
::-webkit-search-decoration,
::-webkit-scrollbar-button,
::-webkit-file-upload-button,
body .sweezy-custom-cursor-hover {
cursor: url("data:image/png;base64,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") 6 3, pointer !important;
}
html,
body,
body select,
body .sweezy-custom-cursor-default-hover {
cursor: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAAXNSR0IArs4c6QAABDpJREFUWEe9l19oHFUUh787s5vdZNM0rZsmaUsym0hRYytq0UottUYFRZFCH1oqPhREKYgQX5RS24oPvgkilDbENFSLDyX4JgiRgBQhohYqFdM0c7NssEabxNiQZHdnrtz5s7uNKWSzSebl7sDunu/8zu+cMyNSqdRrwEUA27ajQF5/Xq9LpFIplYgLJqcdYnGDbDabHB8fv72uAM/v3cC5zywad1wlkTBxHKc9nU6PrgeEp4AHcGo71BjUPXSV5OaohtidTqd/WmsIH+CpWs6d3AYuEBEk9/xKXX0EpdQRKeVXawnhAXQ+kaD7RACQV2AoWl8ZxqwyNMT7UsqP1wrCB9idoPu9reAqcADH9c6dx0aZddAQZ6WUx9cCogjwbjO4rt+EHoiCvOLZD8aRE15nDti2/dxqQ/gAj9fQ/U6T74Ege/K+Cvp84/zfDPw2r5W4LqXsWE0IH+DRGrrfbvQy9jIPsveUyPn3H307Q+/gHVylxqWU21cLwgM4sKuanuNbisGDzO8CyikuXV/gZP+0hpiVUtauBoQP0BGn582GogELSugSaC9ob+gThibyHP5iyott27aoFKIIcCxZLIEXbFE5QhAHbi4oOnsmMYSoGMIHeDBOz+ublwa4B8ykgkcuTBM1PIgVLzEP4JkdMT4/uuneAKEpQ1UCqKwpSF2cIRYV5HK5+zKZzGS5JfEA9rfH6D1cH9RZSx/WvKQjFgUvdIopaLw8S6JKrGiJ+QBWlN5D9cX284IVjXcX0FIgAuq+WSAZE7iu+9jY2Ngvy1XCB2irovflDYsAAiMWukAPqVCRYGKGkHqAKcXWK3niZnnG9AFao/S+WFtSgtLgJWUIvWAozt50+HQ0z60cYAhiQlElhF6mZXWGB7BvW4S+FxKF0VtowbADSlryH0exczBLxCiMgAngGnBLKZWVUr4FZMsqgQdwoMZXIBfUXsuqB1AwikPT/fyv4tA1R7t+VyaT0YErunwFGk369sUDBRSTLhwZnGP4jssP+2M0eQuqWIpNP7rUmzhSykhF0QHfA1tMevfEwIT2y7Moszhhp7KKqb2mv6YDiAsTig//EpimuXFkZGSmEghfgaRB18NVvDQwR8wUeu2ellKeaW1tPWgYRv+VDkEzJaPZVTTfMKk2+NO27aaKAYRSIITecv+TVQPOOYo/HggAAm903Tb5es4oy/FLgYqWlpanTdP8HhiybfvJxV+yLOuUEOL0cJtDRBs09IIL1kQMgfpOStm5UhWWtU61CklTMdSQK+4LV9E5E8NWlamwLADLsvpBHLQb5n0zhnNBKdrmE9ozXVLKT1aiwrIA9B97j26mQ3d8ISiD3xVNTi3VqEtSyqNrDXDDUdz/e2yWuPaBq+gjyhkVr+gtatkKhCroc96FBWCj4b0zVPSQWhaADm5Z1pfAq0KIOeCEbdvnVyJ9+Jv/AE2J0z+gmtsaAAAAAElFTkSuQmCC") 1 1, auto !important;
}
24cm2
Độ dài của hình tam giác là:
\(\dfrac{216\times2}{18}=24\) ( cm )
Đáp số: 24 cm