1.percentage with twenty-four 24%
2.m=1=n m=2=n 只要m=n就可以
3.the rectangle dimensions one is 70/9cm the other is 9cm
4.我只看懂了一个三角形 底是8cm 高是4cm 然后好像是把金属熔化 这个真不懂了
5.用半圆量角器 画一个240度的角
frist take the protractor on the paper and draw a line then find the 240 graduation finally link the line and drop