THE MEASURES OF THE ANGLES OF A TRIANGLE ARE IN THE RATIO 3

Lớp 3 Toán ĐỀ THI TOÁN RSM VÀ IMC DÀNH CHO HỌC SINH LỚP 3 ĐẾN LỚP 8

2. The measures of the angles of a triangle are in the ratio 3 : 4 : 5. What is the measure of the largest angle of this triangle?